She didn't start with the code; she started with the philosophy . She flipped to the chapters on . While her instinct was to keep rewriting the JOIN logic, the book urged her to ask the server where it was hurting.
The CPU line on the monitor, which had been a flat ceiling at 99%, plummeted to a cool 12%. The report that had timed out after ten minutes now populated in four seconds. SQL Server Query Performance Tuning, 4th Edition
Her latest deployment—a simple reporting module—had brought the multi-terabyte SQL Server to its knees. The CEO was already calling. Every time she tried to run a trace, the management studio froze. She was flying blind in a storm of her own making. She didn't start with the code; she started
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. The CPU line on the monitor, which had