SQL Performance Tuning for Real-World Apps
SQL Performance Tuning for Real-World Apps Real-world apps rarely run at full speed right away. The best gains come from careful measurement and small, repeatable changes. Start with data and end with a clear improvement story you can reproduce in tests and on production. Know your workload. Many apps are read-heavy for some windows and write-heavy for others. Hot data, skewed access, and batch jobs all change what needs to be fast. A quick check is to map which queries run most often, which tables are touched in peak hours, and how long users wait for answers. ...