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