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:
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.
by Markus Winand
SQL performance problems are everywhere, everyday. This book is a free SQL tuning e-book for developers. It avoids unnecessary details about database internals but highlights the one topic that is most often neglected: proper indexing.
by Richard T. Snodgrass - Morgan Kaufmann
Richard Snodgrass and his colleagues have explored temporal data concepts over the last two decades. They now have a fairly complete solution to the problems. This book summarizes their work and presents it in a very accessible and useful way.
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.