Sql Server Query Performance Tuning, 4th Edition May 2026

"CXPACKET," she muttered, seeing the results of her diagnostic query. "Parallelism overhead."

Using the book’s breakdown of , she realized the optimizer was choosing a massive Clustered Index Scan instead of a Seek. It was trying to read the entire history of the company just to find today's shipping manifests. SQL Server Query Performance Tuning, 4th Edition

Sarah leaned back, the hum of the cooling fans finally sounding like music rather than a dirge. She patted the book's spine. In the world of database tuning, she realized, you don't need a bigger server; you just need to know how to talk to the one you have. "CXPACKET," she muttered, seeing the results of her