We had an application which was not performing fast enough for our satisfaction. The application updates various tables with millions of records. We tweaked few things in our SQL and suddenly the speed of application improved to our target level. All...

Before I explain this equation, I should explain how I reached to it. I work for the company which employ scary smart and insanely intelligent people. It is very hard to keep pace with them. However, as a man of average intelligence, I have to device...