sql tutorials

SQL Tutorial
3Schools-sql 




sqlZoo 


 This document  contains examples of:

• creating a table
• creating a view
• inserting rows
• updating rows
• deleting rows
• commit -- making changes permanent
• rollback -- undoing temporary changes
• enforcing integrity constraints

SQL Tutorial, Structured Query Language 101, microsoft sql, ms sql server, sql client 


SQLCourse - Interactive Online SQL Training for Beginners


This SQL programming help site lists commonly-used SQL statements, and is divided into the following sections:

• SQL Commands: Basic SQL statements for storing, retrieving, and manipulating data in a relational database.
• Table Manipulation: How SQL statements are used to manage tables inside the database.
• Advanced SQL: Advanced SQL commands.
• SQL Syntax: A single page that lists the syntax for all the SQL commands in this tutorial.

http://www.coderecipes.net/ sql tutorial

SQL GROUP BY techniques

But *WHY* Must That Column Be Contained in an Aggregate Function or the GROUP BY clause?

Collection of SQL Server Storage Best Practices
SQL Server - Speed up your Disks!