这本书汇集了一些最好的SQL专家

代码说明：

This book has brought together some of the best SQL experts to address the important issues of writing efficient and cohesive SQL statements. The topics include using advanced SQL constructs and how to write programs that utilize complex SQL queries. Not for the beginner, this book explores complex time-based SQL queries, managing set operations in SQL, and relational algebra with SQL. This is an indispensable handbook for any developer who is challenged with writing complex SQL inside applications.