Common Table Expressions Joes 2 Pros®: A CTE Tutorial on Performance, Stored Procedures, Recursion, Nesting and the use of Multiple CTEs

The Common Table Expression (CTE) is one of the more
powerful and often overlooked features in Microsoft
SQL Server. This Joes 2 Pros book will show some of
the more interesting things you can do with a CTE. We
will learn how CTEs are a great alternative to derived
table queries, how to do data paging with a CTE, and
recursive queries with tree path and hierarchical output.
This book will also cover how to use the DELETE,
UPDATE, and INSERT statements with a CTE, and how
to use CTEs in stored procedures and functions. We will
discover what is good and bad with CTEs when it comes
to performance, and how to avoid performance pitfalls.
The twelve chapters take us from the most basic
introduction of a CTE all the way to the more complex
usage scenarios where a CTE can change the way you
look at writing T-SQL queries. Learn how to use a single
CTE or multiple CTEs in a single statement as well as
nesting them.