CHAPTER 19

image

Reduce Query Resource Use

In the previous chapter you focused on writing queries in such a way that they appropriately used indexes and statistics. In this chapter, you’ll make sure you’re writing a queries in such a way that they don’t use your resources in inappropriate ways. There are ways to write queries that avoid using memory, CPU, and I/O, as well as ways to write the queries that use more of these resources than you really should. I’ll go over a number of mechanisms to ensure your resources are used optimally by the queries under your control.

In this chapter, I cover the following topics:

  • Query designs that are less resource-intensive ...

Get SQL Server Query Performance Tuning,Fourth Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.