by Mark McIlroy
Publisher: Blue Sky Technology 2009
Number of pages: 34
SQL Essentials is an e-book that is an introduction to the use of SQL to retrieve data from databases and generate query result tables. The book covers SQL queries and is suitable for beginners and intermediate users. This includes an on-line environment where you can try out the examples from the book.
Download or read it online for free here:
In this SQL tutorial, you will learn how to use the SQL language to: Store, retrieve and manipulate data in SQL server; Select, insert, update and delete rows in SQL tables; Create database and tables in SQL server and all other SQL concepts.
This book is a compact comparative reference for several SQL language dialects. It lists particular common tasks and problems resolved in terms of several SQL server implementations. When possible, it tries to emphasize an universal solution.
by Rahul Batra - dreamincode.net
This is a short e-book teaching the basics of SQL assuming no prior knowledge of it. While the examples and text use Ingres as the database management system, the code should work correctly on any SQL compliant database.
by Zed A. Shaw - LCodeTHW
This book will teach you the 80% of SQL you probably need to use it effectively, and will mix in concepts in data modeling at the same time. The book is written for people with no prior database, programming, or SQL knowledge.