ISBN: 978-0596009762, 9780596009762
Год издания: 2005
Издатель: O'Reilly Media
Количество страниц: 596
В продаже с 18.01.2012
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You know the rudiments of the SQL query language, yet you feel you aren't taking full advantage of SQL's expressive power. You'd like to learn how to do more work with SQL inside the database before pushing data across the network to your applications. You'd like to take your SQL skills to the next level. Let's face it, SQL is a deceptively simple language to learn, and many database developers never go far beyond the simple statement: select columns from table where conditions. But there is so much more you can do with the language. In the "SQL Cookbook", experienced SQL developer Anthony Molinaro shares his favorite SQL techniques and features. You'll learn about: Window functions, arguably the most significant enhancement to SQL in the past decade. If you're not using these, you're missing out; Powerful, database-specific features such as SQL Server's pivot and unpivot operators, Oracle's model clause, and PostgreSQL's very useful GENERATE_SERIES function; ...