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Oracle SQL Tutorial 1 - Intro to Oracle Database
 
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As illustrated in the video, Oracle Database is a program designed to hold lots of information, or data. There are all kinds of different databases and they all have their uses. Some of the most common ones are MySQL, SQL Server, Sybase, and MongoDB. All of these have different uses. The differences will be easier to understand after you learn more about each kind of database. We did not discuss it much in the video, but if you are wondering what “SQL” means in the title, it stands for structured query language. Structured query language is a human readable computer language that is used to tell databases to do things. We will discuss SQL and Oracle SQL Developer more in future videos. Databases are better than spreadsheets because they allow multiple users at one time, different levels of access given to users, recovery options and transactions, and it is more protected from hacking and malicious destruction. Programming languages often have very useful functions or methods that can be used to communicate to a database and therefore they are a naturally good option for the back end of programs. This course will go over all of the major parts of database programming using Oracle SQL. We will be using Oracle 11g, but these videos should still work with other versions, including the most recent 12c. Q and A ~~~~~~ How much does Oracle cost? The full enterprise edition costs thousands. They have other versions for less and they even have a FREE VERSION! This is known as the XE version (eXpress Edition). That is the one we will be using. How long does it take to learn SQL? You can learn all of the basics and be an efficient beginner database developer in only about a month of practice. To become an intermediate it can take anywhere from an additional 3 - 6 months with a only a few hours of studying and practicing each day. How can I learn SQL faster? Take notes and actually mess around with making your own database. Watch these videos until you understand the concepts within them, read articles and books that teach in more depth. Enjoy this content? You might enjoy my programming videos. Pick one and have some fun! 🙂 Learn Javascript - http://bit.ly/JavaScriptPlaylist Learn Java - http://bit.ly/JavaPlaylist Learn C# - http://bit.ly/CSharpTutorialsPlaylist Learn C++ - http://bit.ly/CPlusPlusPlaylist Learn C - http://bit.ly/CTutorialsPlaylist Donate!: http://bit.ly/DonateCTVM2. HELP ME! http://www.patreon.com/calebcurry. Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://Twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 369115 Caleb Curry
Learning PL/SQL programming
 
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Download the session ppts @ https://drive.google.com/file/d/0B_2D199JLIIpLXp5cm9QMFpVS00/view?usp=sharing 3:05 - Procedures 6:48 - Cursors 15:13 - Functions 16:36 - Triggers 21:35 - Package 23:59 - Exceptions
Views: 161237 BBarters
SQL - Full course for beginners
 
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In this course, we'll be looking at database management basics and SQL using the MySQL RDBMS. The course is designed for beginners to SQL and database management systems, and will introduce common database management topics. Throughout the course we'll be looking at various topics including schema design, basic C.R.U.D operations, aggregation, nested queries, joins, keys and much more. 🔗Company Database Code: https://www.giraffeacademy.com/databases/sql/creating-company-database/ ⭐️ Contents ⭐ ⌨️ (0:00) Introduction ⌨️ (2:36) What is a Database? ⌨️ (23:10) Tables & Keys ⌨️ (43:31) SQL Basics ⌨️ (52:26) MySQL Windows Installation ⌨️ (1:01:59) MySQL Mac Installation ⌨️ (1:15:49) Creating Tables ⌨️ (1:31:05) Inserting Data ⌨️ (1:38:17) Constraints ⌨️ (1:48:11) Update & Delete ⌨️ (1:56:11) Basic Queries ⌨️ (2:08:37) Company Database Intro ⌨️ (2:14:05) Creating Company Database ⌨️ (2:30:27 ) More Basic Queries ⌨️ (2:26:24) Functions ⌨️ (2:45:13) Wildcards ⌨️ (2:53:53) Union ⌨️ (3:01:36) Joins ⌨️ (3:11:49) Nested Queries ⌨️ (3:21:52) On Delete ⌨️ (3:30:05) Triggers ⌨️ (3:42:12) ER Diagrams Intro ⌨️ (3:55:53) Designing an ER Diagram ⌨️ (4:08:34) Converting ER Diagrams to Schemas Course developed by Mike Dane. Check out his YouTube channel for more great programming courses: https://www.youtube.com/channel/UCvmINlrza7JHB1zkIOuXEbw 🐦Follow Mike on Twitter: https://twitter.com/GiraffeAcademy 🔗The Giraffe Academy website: http://www.giraffeacademy.com/ -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://medium.freecodecamp.org And subscribe for new videos on technology every day: https://youtube.com/subscription_center?add_user=freecodecamp
Views: 1368202 freeCodeCamp.org
Learn SQL in 1 Hour - SQL Basics for Beginners
 
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A crash course in SQL. How to write SQL from scratch in 1 hour. In this video I show you how to write SQL using SQL Server and SQL Server Management Studio. We go through Creating a Database, Creating Tables, Inserting, Updating, Deleting, Selecting, Grouping, Summing, Indexing, Joining, and every basic you need to get starting writing SQL. TABLE OF CONTENTS Skip Intro/Discuss Management Studio 3:27 Create Database 5:10 Create Table 7:26 Insert Data 10:29 Select Statement 17:43 Where Clause 19:00 Update Statement 22:25 Delete Statement 24:33 Adding Comments 27:41 Adding Columns 29:33 Drop Table 32:38 Add Primary Key 33:17 Create Products Table 36:00 Create Orders Table 38:54 Foreign Keys 45:37 Joins 50:30 Functions/Group By 56:50 READ THE ORIGINAL ARTICLE WITH SQL SCRIPTS HERE http://www.sqltrainingonline.com/learn-basic-sql-course/ YOUTUBE NEWS UPDATES http://www.youtube.com/user/sqltrainingonline VISIT SQLTRAININGONLINE.COM FOR TONS MORE VIDEO NEWS & TIPS http://www.sqltrainingonline.com SUBSCRIBE FOR OTHER SQL TIPS AND NEWS! http://www.youtube.com/subscription_center?add_user=sqltrainingonline SUBSCRIBE TO OUR EMAIL LIST! http://www.sqltrainingonline.com LET'S CONNECT! Google+: http://gplus.to/SQLTrainingOnline Facebook: http://facebook.com/SQLTrainingOnline Twitter: http://twitter.com/sql_by_joey Linkedin: http://linkedin.com/in/joeyblue SQLTrainingOnline: http://www.sqltrainingonline.com
Views: 1078857 Joey Blue
SQL Subqueries | SQL Tutorial for Beginners with Examples
 
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SQL Subquery | SQL Tutorial for Beginners with Examples For Complete Tutorial watch https://www.youtube.com/watch?v=_vFiyFaQCPA SQL Tutorial. SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. SQL Subquery, SQL subqueries
Views: 15080 Extern Code
SQL Joins Tutorial for Beginners - Inner Join, Left Join, Right Join, Full Outer Join
 
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Learn how to create SQL Joins. The first 10 minutes teach you the basics. Inner Join, Left Outer Join, Right Outer Join, and Full Outer Join. The second 10 minutes show you are few techniques that will help you as you start building joins. READ THE ORIGINAL ARTICLE WITH THE TABLE SCRIPS http://www.sqltrainingonline.com/sql-joins-tutorial-for-beginners/ YOUTUBE NEWS UPDATES http://www.youtube.com/user/sqltrainingonline VISIT SQLTRAININGONLINE.COM FOR TONS MORE VIDEO NEWS & TIPS http://www.sqltrainingonline.com SUBSCRIBE FOR OTHER SQL TIPS AND NEWS! http://www.youtube.com/subscription_center?add_user=sqltrainingonline SUBSCRIBE TO OUR EMAIL LIST! http://www.sqltrainingonline.com LET'S CONNECT! Facebook: http://facebook.com/SQLTrainingOnline Twitter: http://twitter.com/sql_by_joey Linkedin: http://linkedin.com/in/joeyblue SQLTrainingOnline: http://www.sqltrainingonline.com
Views: 195751 Joey Blue
What is Database & SQL?
 
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https://www.guru99.com/introduction-to-database-sql.html This Database tutorial explains the concept of DBMS (Database Management System).To help beginners, it cites examples of real-life data base management systems. It explains types of DBMS for beginners. It explains how SQL works. This video course is a complete introduction to Database. Click on the time points below to view different sections! 00:35 What is Data base? 00:52 What is a DataBase Management System (DBMS)? What is a Database? Database is a systematic collection of data. Databases support storage and manipulation of data. Databases make data management easy. What is SQL? Structured Query language (SQL) pronounced as "S-Q-L" or sometimes as "See-Quel"is actually the standard language for dealing with Relational Databases. Like, share and subscribe our channel for more videos. Enjoy our free tutorial on our YouTube channel and our website. Watch more videos on our YouTube channel at https://www.youtube.com/channel/UC19i1XD6k88KqHlET8atqFQ READ this as a book on Amazon by viewing at http://amzn.to/2qaUsUv (SQL) Visit our website for more! www.guru99.com FACEBOOK! Would you prefer to watch more about us? Like our page for more https://www.facebook.com/guru99com/ TWITTER! Tweet for us on Twitter with #guru99 and follow us on https://twitter.com/guru99com THANKS! We appreciate you reading this and hope you have a wonderful day! Sincerely, Guru99
Views: 1277577 Guru99
SQL Crash Course - Beginner to Intermediate
 
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In this course we will cover all of the fundamentals of the SQL (Structured Query Language). This course is great for beginners and also intermediates. We will cover the following... Overview of SQL Create, alter and delete databases & tables Query a database using multiple operators Data types Insert, update and delete records Join tables together Use aliases Constraints (Primary, foreign) Indexes WANT MORE? CHECK OUT MY SQL COURSE: https://www.eduonix.com/affiliates/id/16-10034 SPONSORS: DevMountain Bootcamp - https://goo.gl/6q0dEa
Views: 604975 Traversy Media
Oracle Architecture in less than 10 minutes
 
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CAPTIONS AVAILABLE - I assume that it's the "I like!" votes that keep this video at or near the top when you search on "oracle". Thank you to all. S. Faroult View on www.konagora.com where Youtube is blocked. Full transcript (with some screenshots) available for a small fee at http://stores.lulu.com/konagora/. A pretty reckless description of what happens when you start Oracle and when you execute a statement. If you're a developer, it could influence how you code. If you're a junior DBA, or would be junior DBA, I hope it will help you make sense of some parts of the "Concepts" manual.
Views: 535198 roughsealtd
1.Introduction to basic SQL*Plus and SQL commands in oracle 9i
 
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A relational database management system (RDBMS) is a database management system (DBMS) that is based on the relational model as invented by E. F. Codd, of IBM's San Jose Research Laboratory. Many popular databases currently in use are based on the relational database model.RDBMSs have become a predominant choice for the storage of information in new databases used for financial records, manufacturing and logistical information, personnel data, and much more since the 1980s. Relational databases have often replaced legacy hierarchical databases and network databases because they are easier to understand and use. However, relational databases have been challenged by object databases, which were introduced in an attempt to address the object-relational impedance mismatch in relational database, and XML databases. Object-relational database management system (ORDBMS) ============================================ An object-relational database can be said to provide a middle ground between relational databases and object-oriented databases (OODBMS). In object-relational databases, the approach is essentially that of relational databases: the data resides in the database and is manipulated collectively with queries in a query language; at the other extreme are OODBMSes in which the database is essentially a persistent object store for software written in an object-oriented programming language, with a programming API for storing and retrieving objects, and little or no specific support for querying. Object-relational database management systems grew out of research that occurred in the early 1990s. That research extended existing relational database concepts by adding object concepts. The researchers aimed to retain a declarative query-language based on predicate calculus as a central component of the architecture. Probably the most notable research project, Postgres (UC Berkeley), spawned two products tracing their lineage to that research: Illustra and PostgreSQL. Many of the ideas of early object-relational database efforts have largely become incorporated into SQL:1999 via structured types. In fact, any product that adheres to the object-oriented aspects of SQL:1999 could be described as an object-relational database management product. For example, IBM's DB2, Oracle database, and Microsoft SQL Server, make claims to support this technology and do so with varying degrees of success. SQL(Structures Query Language) ======================== SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce in the early 1970s. This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasi-relational database management system, System R, which a group at IBM San Jose Research Laboratory had developed during the 1970s.The acronym SEQUEL was later changed to SQL because "SEQUEL" was a trademark of the UK-based Hawker Siddeley aircraft company. SQL*Plus ======= SQL*Plus is a command line SQL and PL/SQL language interface and reporting tool that ships with the Oracle Database Client and Server software. It can be used interactively or driven from scripts. SQL*Plus is frequently used by DBAs and Developers to interact with the Oracle database. If you are familiar with other databases, sqlplus is equivalent to: "sql" in Ingres, "isql" in Sybase and SQL Server, "sqlcmd" in Microsoft SQL Server, "db2" in IBM DB2, "psql" in PostgreSQL, and "mysql" in MySQL.
Views: 48644 DASARI TUTS
Introduction to Oracle Database Administration - Oracle DBA
 
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http://oracledbazerotopro.com This tutorial offers introduction to Oracle Database Administration (Oracle DBA).
Views: 367198 HandsonERP
A demonstration of basic SQL commands for dummies
 
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A demonstration of basic SQL DML commands INSERT SELECT UPDATE DELETE for dummies. The commands were run on a table created using the command: CREATE TABLE `actor_info` ( `actor_id` int(11) NOT NULL, `first_name` varchar(45) NOT NULL, `last_name` varchar(45) NOT NULL, `total_films` int(11) NOT NULL ) Audio Information: Track 1: Cellos down down This file is licensed under the Creative CommonsAttribution 3.0 Unported license. Attribution: Jus Track 2: Vivaldi - Four Seasons INSERT - Spring SELECT - Summer UPDATE - Autumn DELETE - Winter This file is licensed under the Creative Commons Attribution-Share Alike 1.0 Generic license. Attribution: John Harrison Track 3: Critical Stop This file is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported license. Attribution: Bad-Atom Please rate, comment, subscribe and share.
Views: 70248 Sid Malloy
09 01  Understanding Indexes
 
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Views: 108155 solubletech
SQL для чайников | SELECT - оператор DML языка SQL
 
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Курсы по SQL: https://goo.gl/uCWxEP регистрируйся! SQL для чайников | SELECT - оператор DML языка SQL SELECT (англ., означает «выбрать») — оператор DML языка SQL, возвращающий набор данных (выборку) из базы данных, удовлетворяющих заданному условию. В данном видео я показываю, как пользоваться оператором языка SQL - SELECT Полная конструкция: SELECT [DISTINCT | DISTINCTROW | ALL] select_expression,... FROM table_references [WHERE where_definition] [GROUP BY {unsigned_integer | col_name | formula}] [HAVING where_definition] [ORDER BY {unsigned_integer | col_name | formula} [ASC | DESC], ...] SQL для начинающих, SQL для чайников, SQL для новичка!!! Пройди курсы по SQL: https://goo.gl/uCWxEP
Views: 9804 Oracle RUS
Getting started With Toad for Oracle - in-depth tutorial
 
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https://www.quest.com/toad-for-oracle/ See an in-depth tutorial on Toad for Oracle, the solution from Quest that helps you reduce the time and effort required to develop and manage Oracle databases. Logging into Oracle: 1:03 Key windows: 2:42 Options: 15:08 Customizing the UI: 17:38 Toad editions: 20:27 More information: 22:40
Views: 52712 Quest
SQL для чайников | Что такое SQL?
 
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Курсы по SQL: https://goo.gl/uCWxEP регистрируйся! SQL для чайников | Что такое SQL? SQL (structured query language — «язык структурированных запросов») — формальный непроцедурный язык программирования, применяемый для создания, модификации и управления данными в произвольной реляционной базе данных, управляемой соответствующей системой управления базами данных (СУБД). Пройди курсы по SQL: https://goo.gl/uCWxEP
Views: 6310 Oracle RUS
DBMS Indexing: The Basic Concept
 
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A quick introduction to the concept of indexing in RDBMSs
Views: 172671 Brian Finnegan
PL/SQL Oracle tutorial, Oracle introduction, PL/SQL basics (Lesson 1)
 
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Oracle tutorial for beginners presents PL/SQL introduction. Watch video and learn Oracle by practical examples.
SQL Server join :- Inner join,Left join,Right join and full outer join
 
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For more such videos visit http://www.questpond.com For more such videos subscribe https://www.youtube.com/questpondvideos?sub_confirmation=1 Also watch Learn Sql Queries in 1 hour :- https://www.youtube.com/watch?v=uGlfP9o7kmY See our other Step by Step video series below :- Learn Data Science in 1 hour :- https://tinyurl.com/y5o7qbau Learn angular tutorial step by step https://tinyurl.com/ycd9j895 Learn C# Step by Step https://goo.gl/FNlqn3 Learn Design Pattern Step by Step https://goo.gl/eJdn0m Learn SQL Server Step by Step http://tinyurl.com/ja4zmwu Learn Data structures & algorithm https://tinyurl.com/ybx29c5s Learn MVC Core step by step :- http://tinyurl.com/y9jt3wkv Learn MSBI Step by Step in 32 hours:- https://goo.gl/TTpFZN Learn Xamarin Mobile Programming Step by Step :- https://goo.gl/WDVFuy Learn SharePoint Step by Step in 8 hours:- https://goo.gl/XQKHeP Learn Tableau step by step :- https://tinyurl.com/kh6ojyo Preparing for C# / .NET interviews start here http://www.youtube.com/watch?v=gaDn-sVLj8Q In this video we will try to understand four important concepts Inner joins,Left join,Right join and full outer joins. We are also distributing a 100 page Ebook ".Sql Server Interview Question and Answers". If you want this ebook please share this video in your facebook/twitter/linkedin account and email us on [email protected] with the shared link and we will email you the PDF.
Views: 895105 Questpond
Introduction to SQL - Tutorial for beginners to databases. PART 1
 
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A fun, energetic and clear introduction to SQL and databases for just about anybody to understand! Take the FULL course: https://goo.gl/uY4wDo Finally understand SQL without being bored to tears or getting frustrated. Also grab my nice DISCOUNT on my SQL for FinTech job seekers course: https://goo.gl/jZHfVe This video answers: What is SQL? How is SQL used? What is a database? Why use a database instead of a spreadsheet? These videos have an intrinsic cost of about $1000 to make so if you enjoy them, please consider donating so that I can make more videos on a more regular basis! It's not just standing up and talking. It could be weeks of planning/research, then multiple takes, then hours of editing then responding to comments. Don't forget the thousands spent on the equipment used. I've spent a lot of money on the equipment I use to shoot/edit these and when they fail (which they are), I have to spend even more money to replace then. Then there is the fact I use up all my free time to do videos now. I have put aside friends and family to focus on this because I feel this is my calling to help others. My job is also very demanding and always comes first, so that leaves little time for videos. Thanks! https://www.paypal.com/cgi-bin/webscr... Part 2: https://goo.gl/ppQz9r NOTE: SQL combines the roles of data definition, data manipulation, and query in a single language. It was one of the first commercial languages for the relational model, although it departs in some respects from the relational model as described by Codd (for example, the rows and columns of a table can be ordered). Enjoy my SQL for beginners video! Check out my highly rated Option Trading Video: http://www.youtube.com/watch?v=357Lvf... Check out my FIX Protocol Training Series: http://www.youtube.com/watch?v=rW8sDk... Fun and Easy to Understand training on: Trading & Trading Techniques Wall Street Technology FIX Protocol Application Support Engineering This channel depends on YOUR support! Please subscribe and follow me on Google+ for more excellent videos! Thank you! -~-~~-~~~-~~-~- Take beginner SQL course and get certified: http://goo.gl/k2HKY8 -~-~~-~~~-~~-~-
Views: 696849 FIXProtocol
Learn Oracle SQL : The Hierarchical Query Clause
 
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http://bit.ly/oracle-sql-course | Get the complete course today. Learn Oracle SQL : The Hierarchical Query Clause: In this video, I show you how to use the Hierarchical Query Clause in Oracle SQL to build a basic hierarchical query. This is an excerpt of the course "The Ultimate Oracle SQL Course" which you can get at a heavily discounted price here: http://bit.ly/oracle-sql-course ================ You can find additional Oracle SQL related articles and educational content in my blog here: http://standout-dev.com/
Views: 9398 Oracle SQL
NoSQL Database Tutorial for Beginners
 
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Learn how NoSQL databases work and learn when NoSQL is a better option than standard relational databases, and just as importantly when it’s not. We will also walk through some of the popular forms of NoSQL databases and how you can access them for your applications in this NoSQL Tutorial for Beginners. So first and foremost: what are NoSQL databases and why should I care about them? The easiest way to understand the definition is that NoSQL databases are not SQL databases. Standard relational SQL databases such as Oracle’s SQL server or MySQL have a tabular structure, similar to what you’d see in an Excel spreadsheet. Whereas NoSQL databases have various types of formats and can therefore be more flexible. For example, imagine that you had to build an application where users were able to define their own fields, such as a survey application where one user may create a survey with two fields and another may create a survey with a hundred fields, and they need to have the ability to be named on the fly. Technically it would be possible to implement this with a relational database, however it would be very clunky. However NoSQL databases could handle this easily, by allowing the fields to be created dynamically and then each record would could be stored with its unique characteristics. It’s important to note that one of the greatest strengths of NoSQL, it’s flexibility, also presents its greatest challenge. Imagine that you are building out an inventory application that has fields that need to connect to other tables, such as a user table for the employee entering the information, a vendor table, and a tax table to calculate depreciation. If you were to attempt to implement a NoSQL database for this inventory option you’d end up having to work very hard to map the values between the models and it would also make for a very difficult application to maintain. In this case study a relational database (rdms) would work perfectly. So when you’re trying to decide on NoSQL database design, it really comes down to what the requirements of the application are. If you wanted to chop a tree down you wouldn’t use hammer, you’d use an axe because it’s basic common sense to utilize the right tool for the right job. And it’s the same way with software development, I don’t believe in the SQL vs NoSQL debate, they are both tools and they are the most effective when used in an application that works well with their strengths. A good rule of thumb is to simply follow the guidelines given by the names themselves: - If you have data that relies heavily on relationships then it’s probably the best fit to utilized a relational SQL database. - If you have an unstructured data set that needs flexibility, than it may be the best option to go with a database that is Not SQL, such as a NoSQL database. Link to show notes: https://www.crondose.com/2016/05/nosql-databases-developers-guide/ Follow me: Twitter: https://twitter.com/jordanhudgens Instagram: https://www.instagram.com/jordanhudgens/ GitHub: http://github.com/jordanhudgens
Views: 22313 edutechional
Oracle Database11g tutorials 14 : How to CREATE TABLE using sql developer and command prompt
 
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Oracle Database11g tutorials 14 How to Create table using command prompt and Create table using sql developer Blog Link http://bit.ly/1TkY4Oe Time Line 0:25 Introduction of Tables in Database 1:03 What is Create Table (Introduction of create table) 1:30 Syntax of Create Table 2:08 How to create table using Command Prompt 4:55 How to create table using SQL Developer Links for Oracle Database tutorials 4: database connectivity using SQL developer and command prompt http://youtu.be/wSqoXRlXDUU You can have indepth knowledge about SQL create table here http://www.rebellionrider.com/sql-create-table.html Tool used in this tutorial is command prompt. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com Today in this oracle database tutorial we will see How to CREATE A TABLE. if we have to define a table in layman language then we can say that Tables are just a collection of Rows and Columns but In RDBMS tables are database objects which help in organizing data into ROWS and COLUMNS. We can also say that SQL tables are kind of data structure which are used by database for efficient storage of data. To create a table in our database we use SQL CREATE TABLE command. SQL CREATE TABLE is a type of DATA DEFINITION LANGUAGE also known as DDL. To Create a table in your schema you will require CREATE TABLE system privilege. In our future videos we will see what are system and object privileges and how to grant them to a user. Today for this video we will be using Sample schema HR which already has all the necessary privileges. Ohk Let's see the syntax. CREATE TABLE table name ( column name1 Data-Type(size), column name2 Data-Type(size), ..... ); CREATE TABLE is an oracle reserved word or say an Oracle key word whereas There are 3 different ways of creating a table in Oracle database. Creating a table using Command Line Interface (CLI) in Oracle database For demonstrating how to create table in oracle database using CLI, I'll be using Command prompt. Thats how we create table using command prompt. you can check your table structure by DESCRIBE command for that just write DESC and your table name. Like this Another way of creating a table is by using Graphic user interface (GUI) in Oracle database To demonstrate how to create table using GUI we will use SQL developer. Lets open our SQL developer I am connected to HR schema if you do not know how to create a connection to database using SQL developer please watch my oracle database tutorial 4 that explains database connectivity using SQL developer and command prompt. Link for this video is in the description below. So lets create a table. Creating a table using SQL developer is very easy we do not have to fire any query here. Let's start First of all right click on your connection in which you want to create a table and choose schema browser. This will open a separate schema browser pane or you can expend your connection by clicking this + sign and then right click on table and choose New Table. However I prefer working with schema browser so let's skip to schema browser pane here from the first drop-down list you can choose connection name and in the second drop down list you can choose what database objects you want to work with we want to create a table thus I'll choose table and then click this arrow here and choose option for new table Ok we have created a table wizard first of all give a unique name to your table and add some column as well. For this, click the green plus button. Now we already have a column so give it some name. Also choose a datatype from the list and specify any size you can check this not null column if in case you want to make this a mandatory column you can also specify default value and constraint If you want to make this column a primary key you can click here In my future video i'll show you what are these constraints and different ways of applying them on a column in a table. for this video we will concentrate on create table only so when you are done with all your columns click ok Thats your table You can double click on your table here and can see its structure. Thats it
Views: 186684 Manish Sharma
Oracle SQL Tutorial For Beginners | Oracle SQL Online Training - Session 1
 
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Course : Oracle SQL Online Training Mode of Training : Online Duration : 40 Hours Timings : Flexible Oracle SQL Online Training Demo Registration Link : http://svsoftsolutions.com/demo.aspx Introduction to SQL What is SQL? What Can SQL do? RDBMS SQL Syntax Database Tables SQL Statements Overview of Most Important SQL Commands SELECT UPDATE DELETE INSERT CREATE TABLE ALTER TABLE DROP TABLE CREATE INDEX DROP INDEX SQL SELECT Statement SELECT syntax Demo Database SELECT Column Example SELECT * Example SQL Distinct SELECT DISTINCT Statement SELECT DISTINCT Syntax SELECT DISTINCT Example SQL WHERE Clause WHERE Clause WHERE Clause Example Operators in the WHERE Clause SQL AND & OR Operators AND Operator Example OR Operator Example Combining AND & OR SQL ORDER BY ORDER BY Syntax ORDER BY Example ORDER BY DESC Example ORDER BY Several Column Examples SQL Insert Into INSERT INTO Syntax INSERT INTO Examples Insert Data into Specified Columns SQL UPDATE UPDATE Syntax UPDATE Example Watch out UPDATE statement. SQL DELETE DELETE Syntax DELETE Examples Delete All the Data SQL Aliases SQL Alias Syntax for Columns Alias Example for Table Columns Alias Example for Tables. SQL Joins Different SQL JOINs INNER JOIN LEFT OUTER JOIN RIGHT OUTER JOIN FULL OUTER JOIN SQL UNION UNION Syntax UNION Example UNION ALL Syntax UNION ALL Example SQL Insert Into Select INSERT INTO SELECT Syntax INSERT INTO SELECT Examples SQL Create Table CREATE TABLE Syntax CREATE TABLE Example SQL Constraints CREATE TABLE + CONSTRAINT Syntax NOT NULL Constraint UNIQUE Constraint UNIQUE Constraint on CREATE TABLE UNIQUE Constraint on ALTER TABLE To DROP a UNIQUE Constraint PRIMARY KEY Constraint PRIMARY KEY Constraint on CREATE TABLE PRIMARY KEY Constraint on ALTER TABLE To DROP a PRIMARY KEY Constraint FOREIGN KEY Constraint FOREIGN KEY Constraint on CREATE TABLE FOREIGN KEY Constraint on ALTER TABLE To DROP a FOREIGN KEY Constraint CHECK Constraint CHECK Constraint on CREATE TABLE CHECK Constraint on ALTER TABLE To DROP a CHECK Constraint DEFAULT Constraint on CREATE TABLE DEFAULT Constraint on ALTER TABLE To DROP a DEFAULT Constraint SQL Create Index CREATE INDEX Syntax CREATE UNIQUE INDEX Syntax CREATE INDEX Example SQL DROP Command The DROP INDEX Statement The DROP TABLE Statement The DROP DATABASE Statement The TRUNCATE TABLE Statement SQL ALTER Command The ALTER TABLE Statement ALTER TABLE Example Change Data Type Example DROP COLUMN Example SQL VIEWS CREATE VIEW Statement CREATE VIEW Syntax CREATE VIEW Examples CREATE OR REPLACE VIEW Syntax Dropping a View SQL NULL Values Working with NULL Values IS NULL IS NOT NULL SQL NULL Functions NVL COALESCE For more details visit our website : www.svsoftsolutions.com Or reach us @ USA : +1-845-915-8712 (Toll Free), India : +91-9642373173
Views: 2819 SV Soft Solutions
Oracle Indexes - Beginner
 
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Oracle Indexes - Beginner
Views: 67251 Chris Ostrowski
SQL для чайников | DISTINCT описание
 
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SQL для чайников | DISTINCT описание Что такое DISTINCT - это аргумент который устраняет дублирующиеся значения из вашего предложения SELECT. Предположим, что Вы хотите знать какие агенты в настоящий момент имеют заказы в таблице заказов. Вам не нужно знать сколько заказов имеет каждый, Вам нужен только список кодов агентов (snum). Пройди курсы по SQL: https://goo.gl/uCWxEP
Views: 1520 Oracle RUS
26 basic SQL Interview Questions and Answers for beginners || Freshers
 
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What is Structured Query Language (SQL)? - Definition from Techopedia https://www.techopedia.com/definition/1245/structured-query-language-sql Structured Query Language (SQL) is a standard computer language for relational database management and data manipulation. SQL is used to query, insert, update and modify data. ... Data Definition Language (DDL) is used for managing tables and index structures. More on SQL: https://m.youtube.com/watch?v=q8AXZwEt_Ks =============================== For Kindle Devices Offers:: 👇👇 Kindle Device 1: https://amzn.to/2MAlbFN Kindle Device 2: https://amzn.to/2MwGp77 =============================== International Links SQL practice book from beginner's to advance::👇👇 https://amzn.to/2KxLezR Advanced Oracle PL/SQL Developer's Guide - Second Edition https://amzn.to/2Ku42Qx My Recommendation:: 👇👇 Oracle PL/SQL Interview Questions, Answers with Explanations:: 👇👇 https://amzn.to/2tPTJvA SQL QuickStart Guide: The Simplified Beginner's Guide To SQL :: 👇👇 https://amzn.to/2yVVltK SQL Queries for Mere Mortals: A Hands-On Guide to Data Manipulation in SQL (4th Edition) :: 👇👇 https://amzn.to/2tPWo8H SQL All-in-One For Dummies:: 👇👇 https://amzn.to/2yPUVFm =============================== Indian Links My Recommendation:: 👇👇 SQL practice book from beginner's to advance::👇👇 https://amzn.to/2KuHZcC SQL in 10 minutes by Sam teach yourself::👇👇 https://amzn.to/2Kys0tO SQL Pocket Guide: A Guide to SQL Usage, 3rd Edition:: 👇👇 https://amzn.to/2KxMcMv SQL Queries for Mere Mortals: A Hands-On Guide to Data Manipulation in SQL, 4th Edition:: 👇👇 https://amzn.to/2KlymgT SQL: QuickStart Guide - The Simplified Beginner's Guide To SQL:: 👇👇 https://amzn.to/2KgRfkZ
Views: 17063 Elisha Kriis
SQL basics and creating a simple database - SQL tutorial for beginners
 
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SQL tutorial for beginners for learnig SQL in a simple and practical way. This step-by-step SQL tutorial aims to teach beginners how to start working with SQL. This SQL tutorial will cover: 00:45 How to create a database 11:44 Creating the first table 19:19 Writing simple query 22:41 Normalization of the database This SQL tutorial for beginners is the 2nd video of the SQL for beginners course at Duckademy. The goal of this course is to teach you how to use the SQL programming language to easily manage databases. To achieve this goal you will learn SQL from the basics to advanced concepts. During the course and this SQL tutorial we will use MS SQL Server. Since the course material covers Transact-SQL, which is a standardized language, all that you learn here you can also use with MySQL, PostgreSQL and Oracle. This SQL tutorial is followed by an other SQL tutorial about basic SQL queries: https://youtu.be/tK-HXzuUunI SUBSCRIBE NOW FOR NEW FREE IT TUTORIALS! https://www.youtube.com/c/DuckademyITcourses?sub_confirmation=1 SUBSCRIBE TO OUR EMAIL LIST! https://www.duckademy.com/#dialog-newsletter FOLLOW US! Facebook ► https://www.facebook.com/duckademy Twitter ► https://twitter.com/duckademy Google+ ► http://gplus.to/duckademy Linkedin ► https://www.linkedin.com/company/duckademy ---------------------------------------------------------------------------------
Views: 93199 Duckademy IT courses
How To install Oracle 10g -For Dummies
 
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at 5:34 the password i type is "tiger".
Views: 15911 TheCosmicButton
77 Oracle 11g Tutorials WHERE Clause Comparison Conditions (By MrMerchant Co.)
 
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Oracle 11g Complete Tutorials - PART77 Don't forget to subscribe to my channel. (source: Coding Arena). BOOKS FOR REFERENCE. OCA Oracle Database SQL Certified Expert Exam Guide (Exam 1Z0-047) https://amzn.to/2xy71is Learning SQL: Master SQL Fundamentals - https://amzn.to/2QI0DO7 SQL Pocket Guide: A Guide to SQL Usage - https://amzn.to/2NnI1F7 SQL Cookbook: Query Solutions and Techniques for Database Developers - https://amzn.to/2QCzJY2 Oracle Database 12C: The Complete Reference - https://amzn.to/2QHpWjq OCP: Oracle Database 12c Administrator Certified Professional - https://amzn.to/2NqChKU Oracle PL/SQL for Dummies - https://amzn.to/2xuJwXv
Views: 5 MrMerchant Co.
SQL Queries with JOINS for dummies
 
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To work with WFA, I often say, you don't have to be a developer, and I stick with that statement. However, when we want some decent userinput, we will have to write a SQL Query every now and then, and although a simple select query is easy to learn, whenever I start talking about "JOINS", they tend to get lost. In this tutorial I will try to teach you why we need joins and how they work.
Views: 558 wfaguy.com
What is OLAP?
 
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This video explores some of OLAP's history, and where this solution might be applicable. We also look at situations where OLAP might not be a fit. Additionally, we investigate an alternative/complement called a Relational Dimensional Model. To Talk with a Specialist go to: http://www.intricity.com/intricity101/
Views: 375623 Intricity101
72 Oracle 11g Tutorials Using Functions (By MrMerchant Co.)
 
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Oracle 11g Complete Tutorials - PART72 Don't forget to subscribe to my channel. (source: Coding Arena). BOOKS FOR REFERENCE. OCA Oracle Database SQL Certified Expert Exam Guide (Exam 1Z0-047) https://amzn.to/2xy71is Learning SQL: Master SQL Fundamentals - https://amzn.to/2QI0DO7 SQL Pocket Guide: A Guide to SQL Usage - https://amzn.to/2NnI1F7 SQL Cookbook: Query Solutions and Techniques for Database Developers - https://amzn.to/2QCzJY2 Oracle Database 12C: The Complete Reference - https://amzn.to/2QHpWjq OCP: Oracle Database 12c Administrator Certified Professional - https://amzn.to/2NqChKU Oracle PL/SQL for Dummies - https://amzn.to/2xuJwXv
Views: 7 MrMerchant Co.
74 Oracle 11g Tutorials Using NULLs in Oracle SQL  (By MrMerchant Co.)
 
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Oracle 11g Complete Tutorials - PART74 Don't forget to subscribe to my channel. (source: Coding Arena). BOOKS FOR REFERENCE. OCA Oracle Database SQL Certified Expert Exam Guide (Exam 1Z0-047) https://amzn.to/2xy71is Learning SQL: Master SQL Fundamentals - https://amzn.to/2QI0DO7 SQL Pocket Guide: A Guide to SQL Usage - https://amzn.to/2NnI1F7 SQL Cookbook: Query Solutions and Techniques for Database Developers - https://amzn.to/2QCzJY2 Oracle Database 12C: The Complete Reference - https://amzn.to/2QHpWjq OCP: Oracle Database 12c Administrator Certified Professional - https://amzn.to/2NqChKU Oracle PL/SQL for Dummies - https://amzn.to/2xuJwXv
Views: 7 MrMerchant Co.
Data Warehouse Tutorial For Beginners | Data Warehouse Concepts | Data Warehousing | Edureka
 
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** Data Warehousing & BI Training: https://www.edureka.co/data-warehousing-and-bi ** This Data Warehouse Tutorial For Beginners will give you an introduction to data warehousing and business intelligence. You will be able to understand basic data warehouse concepts with examples. The following topics have been covered in this tutorial: 1. What Is The Need For BI? 2. What Is Data Warehousing? 3. Key Terminologies Related To DWH Architecture: a. OLTP Vs OLAP b. ETL c. Data Mart d. Metadata 4. DWH Architecture 5. Demo: Creating A DWH - - - - - - - - - - - - - - Check our complete Data Warehousing & Business Intelligence playlist here: https://goo.gl/DZEuZt. #DataWarehousing #DataWarehouseTutorial #DataWarehouseTraining Subscribe to our channel to get video updates. Hit the subscribe button above. - - - - - - - - - - - - - - How it Works? 1. This is a 5 Week Instructor led Online Course, 25 hours of assignment and 10 hours of project work 2. We have a 24x7 One-on-One LIVE Technical Support to help you with any problems you might face or any clarifications you may require during the course. 3. At the end of the training you will have to undergo a 2-hour LIVE Practical Exam based on which we will provide you a Grade and a Verifiable Certificate! - - - - - - - - - - - - - - About the Course: Edureka's Data Warehousing and Business Intelligence Course, will introduce participants to create and work with leading ETL & BI tools like: 1. Talend 5.x to create, execute, monitor and schedule ETL processes. It will cover concepts around Data Replication, Migration and Integration Operations 2. Tableau 9.x for data visualization to see how easy and reliable data visualization can become for representation with dashboards 3. Data Modeling tool ERwin r9 to create a Data Warehouse or Data Mart - - - - - - - - - - - - - - Who should go for this course? The following professionals can go for this course: 1. Data warehousing enthusiasts 2. Analytics Managers 3. Data Modelers 4. ETL Developers and BI Developers - - - - - - - - - - - - - - Why learn Data Warehousing and Business Intelligence? All the successful companies have been investing large sums of money in business intelligence and data warehousing tools and technologies. Up-to-date, accurate and integrated information about their supply chain, products and customers are critical for their success. With the advent of Mobile, Social and Cloud platform, today's business intelligence tools have evolved and can be categorized into five areas, including databases, extraction transformation and load (ETL) tools, data quality tools, reporting tools and statistical analysis tools. This course will provide a strong foundation around Data Warehousing and Business Intelligence fundamentals and sophisticated tools like Talend, Tableau and ERwin. - - - - - - - - - - - - - - For more information, please write back to us at [email protected] or call us at IND: 9606058406 / US: 18338555775 (toll-free). Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka - - - - - - - - - - - - - - Customer Review: Kanishk says, "Underwent Mastering in DW-BI Course. The training material and trainer are up to the mark to get yourself acquainted to the new technology. Very helpful support service from Edureka."
Views: 254124 edureka!
76 Oracle 11g Tutorials WHERE Clause Syntax (By MrMerchant Co.)
 
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Oracle 11g Complete Tutorials - PART76 Don't forget to subscribe to my channel. (source: Coding Arena). BOOKS FOR REFERENCE. OCA Oracle Database SQL Certified Expert Exam Guide (Exam 1Z0-047) https://amzn.to/2xy71is Learning SQL: Master SQL Fundamentals - https://amzn.to/2QI0DO7 SQL Pocket Guide: A Guide to SQL Usage - https://amzn.to/2NnI1F7 SQL Cookbook: Query Solutions and Techniques for Database Developers - https://amzn.to/2QCzJY2 Oracle Database 12C: The Complete Reference - https://amzn.to/2QHpWjq OCP: Oracle Database 12c Administrator Certified Professional - https://amzn.to/2NqChKU Oracle PL/SQL for Dummies - https://amzn.to/2xuJwXv
Views: 2 MrMerchant Co.
Oracle PL/SQL - Why does it exist?
 
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Oracle PL/SQL - Why does it exist?
Views: 2462 Chris Ostrowski
73 Oracle 11g Tutorials The DISTINCT Clause (By MrMerchant Co.)
 
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Oracle 11g Complete Tutorials - PART73 Don't forget to subscribe to my channel. (source: Coding Arena). BOOKS FOR REFERENCE. OCA Oracle Database SQL Certified Expert Exam Guide (Exam 1Z0-047) https://amzn.to/2xy71is Learning SQL: Master SQL Fundamentals - https://amzn.to/2QI0DO7 SQL Pocket Guide: A Guide to SQL Usage - https://amzn.to/2NnI1F7 SQL Cookbook: Query Solutions and Techniques for Database Developers - https://amzn.to/2QCzJY2 Oracle Database 12C: The Complete Reference - https://amzn.to/2QHpWjq OCP: Oracle Database 12c Administrator Certified Professional - https://amzn.to/2NqChKU Oracle PL/SQL for Dummies - https://amzn.to/2xuJwXv
Views: 4 MrMerchant Co.
Как изучать язык SQL и работу реляционных баз данных начинающему: видео уроки курсы книги учебники.
 
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Помощь проекту: WMR: R288272666982 WMZ: Z293550531456 Яндекс.Деньги: 410011531129223 Рубрика SQLite на сайте: http://zametkinapolyah.ru/zametki-o-mysql/sqlite/ Паблик блога в ВК: https://vk.com/zametkinapolyah Тематическая группа в ВК: https://vk.com/zametki_bd Если вы хотите быть SQL-разработчиком, администратором или архитектором баз данных: 1. Здесь можно выделить четыре основных направления. а) теория реляионных баз данных и реляционная алгебра/алгоритмы и структуры данных/дискретная математика; б) необохдимо изучить инструмент, который будете применять в работе (стандарты читать не надо, а вот активное юзанье документации пойдет на пользу); в) получение практики: повторение примеров из книг и видео уроков, разбор архитектуры БД и Query-листа приложения с открытым исходным кодом, самостоятельный выбор любого объекта (предметной области) из нашего бренного мира и его описание, это может быть даже дом, в котором вы живете; г) изучение предметной области, в которой вы хотите работать. 2. Если у вас нет даже базовых знаний, то начинать нужно с простых и понятных материалов, которые не отобьют у вас желание учиться и позволят почувствовать уверенность в своих силах и понять, что базы данных и SQL - это не так уж и сложно. Для этих целей прекрасно подойдут материалы, которые вы сможете нагуглить или видосы с Ютуба, благо этого добра навалом. Книги по SQL и базам данных для новичка: «Изучаем SQL», Бейли Л.; «SQL для простых смертных», Грабер Мартин; «SQL за 10 минут», Бен Форта; «Изучаем SQL», Алан Бьюли; «Язык запросов SQL. Учебный курс», Филипп Андон, Валерий Резниченко; «SQL For Dummies», Allen G. Taylor «SQL-запросы для простых смертных. Практическое руководство по манипулированию данными в SQL», Майкл Дж. Хернандес, Джон Л. Вьескас; «MySQL. Сборник рецептов», Поль Дюбуа. Документация самых популярных СУБД: документация SQLite: http://sqlite.org/docs.html; документация MySQL: https://dev.mysql.com/doc/ документация PostgreSQL: https://www.postgresql.org/docs/9.6/static/index.html; документация PostgreSQL на русском: https://postgrespro.ru/docs/postgresql/9.6/; документация MS SQL: https://technet.microsoft.com/ru-ru/library/ms130214.aspx; документация Oracle: http://docs.oracle.com/cd/E11882_01/index.htm; сюда можно добавить книги по различным СУБД, ориентированные на читателя со средней и высокой подготовкой; и, конечно же, учебник и словарик английского языка, если вы его не знаете. Теоретические знания: уровень Будда SQL и реляционных баз данных Книги по теории реляционных баз данных: «Введение в системы баз данных», Кристофер Дж. Дейт «SQL и реляционная теория. Как грамотно писать код на SQL», Кристофер Дж. Дейт «Основы будущих систем баз данных: Третий манифест»., Кристофер Дж. Дейт «Базы данных и UML», Роберт Дж. Мюллер «Теория и практика построения баз данных», Крёнке Д. «Системы баз данных: проектирование, реализация и управление.», Питер Роб, Карлос Коронел «Системы баз данных. Полный курс.», Гектор Гарсиа-Молина, Джеффри Ульман, Дженнифер Уидом Книги по алгоритмам и структурам данных: «Алгоритмы. Вводный курс», Томас Х. Кормен; «Алгоритмы», Дасгупта С., Пападимитриу Х., Вазирани У.; «Анализ алгоритмов. Вводный курс», Дж. Макконелл; «Алгоритмы. Теория и практическое применение», Род Стивенс; «Автоматное программирование», Поликарпова Н. И., Шалыто А. А.; «Алгоритмы и структуры данных. Новая версия для Оберона», Н. Вирт; «Алгоритмы. Построение и анализ.», Т.Кормен, Ч.Лейзерсон, Р.Ривест, К.Штайн; Книги и учебники по дискретной математике: «Дискретная математика для программистов», Р. Хаггарти; «Введение в схемы, автоматы и алгоритмы», Дехтярь М. И.; «Графы и алгоритмы», Алексеев В. Е., Таланов А. В.. Где, черт возьми, мне брать практику? Повторяйте примеры из книг, учебников, видео. Оглянитесь вокруг: любой предмет, который вы видите, можно описать в базе данных, например, ваш дом, жэк и его жильцы. Ну хорошо, сделайте базу данных для КЛАДР и нормализуйте ее до улицы или сделайте базу данных всех номеров для всех провайдеров во всем мире или России (при этом учтите номера спец. служб, деление на мобильные и стационарные, да, номера еще и внутри страны делятся по регионам и есть всякие 8 800). Мы пришли к тому, что перед проектированием БД нужно хоть чуток разбираться в предметной области, для тех кто хочет сделать КЛАДР: не забывайте, что Москва – это не только город. Если вы хотите проектировать базы данных для Web, то скачайте самые популярные и востребованные CMS (Drupal, WordPress, Joomla, Typo3) и посмотрите на их базы данных, а также изучите запросы к базам данных, это полезная практика. Если вас интересует другая предметная область – Гугл вам в помощь, вы сможете найти различные биллинговые системы, CRM, ARM и другие системы учета с открытым исходным кодом и документацией.
Subqueries in sql   Part 59
 
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In this video we will discuss about subqueries in sql server. Let us understand subqueris with an example. Please create the required tables and insert sample data using the script below. Create Table tblProducts ( [Id] int identity primary key, [Name] nvarchar(50), [Description] nvarchar(250) ) Create Table tblProductSales ( Id int primary key identity, ProductId int foreign key references tblProducts(Id), UnitPrice int, QuantitySold int ) Insert into tblProducts values ('TV', '52 inch black color LCD TV') Insert into tblProducts values ('Laptop', 'Very thin black color acer laptop') Insert into tblProducts values ('Desktop', 'HP high performance desktop') Insert into tblProductSales values(3, 450, 5) Insert into tblProductSales values(2, 250, 7) Insert into tblProductSales values(3, 450, 4) Insert into tblProductSales values(3, 450, 9) Write a query to retrieve products that are not at all sold? This can be very easily achieved using subquery as shown below. Select [Id], [Name], [Description] from tblProducts where Id not in (Select Distinct ProductId from tblProductSales) Most of the times subqueries can be very easily replaced with joins. The above query is rewritten using joins and produces the same results. Select tblProducts.[Id], [Name], [Description] from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId where tblProductSales.ProductId IS NULL In this example, we have seen how to use a subquery in the where clause. Let us now discuss about using a sub query in the SELECT clause. Write a query to retrieve the NAME and TOTALQUANTITY sold, using a subquery. Select [Name], (Select SUM(QuantitySold) from tblProductSales where ProductId = tblProducts.Id) as TotalQuantity from tblProducts order by Name Query with an equivalent join that produces the same result. Select [Name], SUM(QuantitySold) as TotalQuantity from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId group by [Name] order by Name From these examples, it should be very clear that, a subquery is simply a select statement, that returns a single value and can be nested inside a SELECT, UPDATE, INSERT, or DELETE statement. It is also possible to nest a subquery inside another subquery. According to MSDN, subqueries can be nested upto 32 levels. Subqueries are always encolsed in paranthesis and are also called as inner queries, and the query containing the subquery is called as outer query. The columns from a table that is present only inside a subquery, cannot be used in the SELECT list of the outer query. Next Video: What to choose for performance? Queries that involve a subquery or a join Text version of the video http://csharp-video-tutorials.blogspot.com/2013/01/subqueries-in-sql-part-59.html Slides http://csharp-video-tutorials.blogspot.com/2013/09/part-59-subqueries-in-sql-server.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 215380 kudvenkat
Peoplesoft (Oracle HRMS) tutorial for beginners
 
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For complete HRMS training, visit; http://myerp-training.com/peoplesoft-hrms-video-training/
Views: 51547 myTech-school
What is Big Data and Hadoop?
 
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The availability of large data sets presents new opportunities and challenges to organizations of all sizes. So what is Big Data? How can Hadoop help me solve problems in processing large, complex data sets? Please go to https://www.learningtree.com/bigdata to learn more about Big Data & our Big Data training offerings. In this video expert instructor, Bill Appelbe will explain what Hadoop is, actual examples of how it works and how it compares to traditional databases such as Oracle & SQL Server. And finally, what is included in the Hadoop ecosystem.
What is Master Data Management?
 
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This is a short video on the benefits of an MDM solution. To Talk with a Specialist go to: http://www.intricity.com/intricity101/
Views: 156948 Intricity101
Entity Relationship Diagram (ERD) Tutorial - Part 1
 
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Learn how to create an Entity Relationship Diagram in this tutorial. We provide a basic overview of ERDs and then gives step-by-step training on how to make an ER diagram with correct cardinality. Entity Relationship Diagrams are comprised of 3 main categories: entities, attributes, and relationships. Entities are objects or concepts that are associated with important data—like a customer, order, or product. Attributes represent properties or traits of an entity, such as a customer’s phone number or home address. Relationships demonstrate the link between entities. Another main aspect of of ERD's is cardinality, which further defines the relationship between entities in a numerical way. Certain symbols signify the minimum and maximum relationship between different entities. Additional ERD information: https://www.lucidchart.com/pages/entity-relationship-diagram-tutorial —— Learn more and sign up: https://www.lucidchart.com/users/register Follow us: Facebook: https://www.facebook.com/lucidchart Twitter: https://twitter.com/lucidchart Instagram: https://www.instagram.com/lucidchart LinkedIn: https://www.linkedin.com/company/lucidsoftware
Views: 717081 Lucidchart
71 Oracle 11g Tutorials The DUAL Table Pseudocolumns SYSDATE (By MrMerchant Co.)
 
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Oracle 11g Complete Tutorials - PART71 Don't forget to subscribe to my channel. (source: Coding Arena). BOOKS FOR REFERENCE. OCA Oracle Database SQL Certified Expert Exam Guide (Exam 1Z0-047) https://amzn.to/2xy71is Learning SQL: Master SQL Fundamentals - https://amzn.to/2QI0DO7 SQL Pocket Guide: A Guide to SQL Usage - https://amzn.to/2NnI1F7 SQL Cookbook: Query Solutions and Techniques for Database Developers - https://amzn.to/2QCzJY2 Oracle Database 12C: The Complete Reference - https://amzn.to/2QHpWjq OCP: Oracle Database 12c Administrator Certified Professional - https://amzn.to/2NqChKU Oracle PL/SQL for Dummies - https://amzn.to/2xuJwXv
Views: 6 MrMerchant Co.
Learn Oracle SQL from Scratch
 
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https://www.udemy.com/learn-oracle-sql-from-scratch-step-by-step-approach/
Views: 31 Vibhav kumar
Clustered vs. Nonclustered Index Structures in SQL Server
 
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Clustered and nonclustered indexes share many of the same internal structures, but they're fundamentally different in nature. Watch Microsoft Certified IT Professional Jon Seigel explain the similarities and differences of clustered and nonclustered indexes, using a real-world example to show how these structures work to improve the performance of SQL queries. Blog post on primary key vs. the clustered index: http://voluntarydba.com/post/2012/10/02/The-Primary-Key-vs-The-Clustered-Index.aspx CREATE INDEX statement reference: http://technet.microsoft.com/en-us/library/ms188783.aspx ALTER INDEX statement reference: http://technet.microsoft.com/en-us/library/ms188388.aspx Index navigation internals by example: http://sqlblog.com/blogs/paul_white/archive/2011/08/09/sql-server-seeks-and-binary-search.aspx Sample index data is from the AdventureWorksLT2008R2 sample database: http://awlt2008dbscript.codeplex.com/releases/view/46169 Visit my channel for more database administration videos: https://www.youtube.com/voluntarydba Subscribe to get notified about my latest videos: https://www.youtube.com/voluntarydba?sub_confirmation=1 Read additional content on my blog: http://voluntarydba.com Follow on Twitter: https://twitter.com/voluntarydba Like on Facebook: https://facebook.com/voluntarydba
Views: 307424 Voluntary DBA
Normalization - 1NF, 2NF, 3NF and 4NF
 
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Database Normal Forms
Views: 1087532 channel5567
Creating Basic Ad Hoc Reports in Smart View
 
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In this tutorial you learn how to use ad-hoc analysis to create reports and analyze data in Smart View for Oracle Enterprise Performance Reporting Cloud Service.
Views: 59486 Oracle EPM Tutorials

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