SQL for Web Nerds
by Philip Greenspun
This is a free online SQL book by Philip Greenspun. It covers data modeling, simple queries, complex queries, transactions, triggers, views, style, PL/SQL and Java, trees, handling dates in Oracle, limits in Oracle, tuning, data warehousing, foreign and legacy data and normalization.
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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 Ryan Stephens, Ron Plew - Sams
This book presents the key features of SQL in an easy to understand format with updated code examples. The material covers transactions, constructs, embedded databases, object-oriented programming, and MySQL, a very popular open source database.
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 Krishna Rungta - guru99
SQL stands for Structured Query Language. It is the communication languages to talk to any database. This book is designed for beginners with little or no Database experience. Apart from teaching the SQL, it also covers the Database design process.