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Download this eBook for free Chapters. Chapter 1: Getting started with SQL; Chapter 2: ALTER TABLE; Chapter 3: AND & OR Operators; Chapter 4: Cascading Delete; Chapter 5: CASE; Chapter 6: Clean Code in SQL; Chapter 7: Comments; Chapter 8: Common Table Expressions; Chapter 9: CREATE Database; Chapter 10: CREATE FUNCTION; Chapter 11: CREATE TABLE
- SQL
Many SQL databases are implemented as client/server systems;...
- Cascading Delete
Cascading Delete - Learning SQL eBook (PDF) -...
- CREATE Database
CREATE Database - Learning SQL eBook (PDF) - riptutorial.com
- Stored Procedures
Stored Procedures are SQL statements stored in the database...
- DROP or DELETE Database
DROP or DELETE Database - Learning SQL eBook (PDF) -...
- In Clause
In Clause - Learning SQL eBook (PDF) - riptutorial.com
- Triggers
Triggers - Learning SQL eBook (PDF) - riptutorial.com
- CASE
Learn SQL - The CASE expression is used to implement if-then...
- SQL
Standard SQL Functions Cheat Sheet. NUMERIC FUNCTIONS. BASIC OPERATIONS. Use +, -, *, / to do some basic math. To get the number of seconds in a week: SELECT 60 * 60 * 24 * 7; -- result: 604800. CASTING. From time to time, you need to change the type of a number. The . CAST() function is there to help you out. It lets you change the type of ...
Download this eBook for free Chapters. Chapter 1: Getting started with Microsoft SQL Server; Chapter 2: Advanced options; Chapter 3: Aggregate Functions; Chapter 4: Alias Names in Sql Server; Chapter 5: Analyzing a Query; Chapter 6: Backup and Restore Database; Chapter 7: Basic DDL Operations in MS SQL Server
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. Start learning SQL now »
Basic computer literacy is required, and readers should know how to navigate folders and copy/paste files, as well as download and save files from the Web. As you go through the material, have a computer on hand to practice the examples.
10 sty 2012 · However, there is a special kind of SQL statement which can contain multiple SQL statements, the BEGIN-END block. If you omit the BEGIN-END block, your SQL will run fine, but it will only execute the first statement as part of the IF. Basically, this: INSERT INTO @Classes. SELECT . XXXXXX . FROM XXXX blah blah blah.
Download our free SQL PDF for a detailed guide and a handy reference to SQL query structures and commands. Check out the best online resources for data science according to our students and expert team of instructors—available to download and use for free. Free SQL Basics Resource!
