Thomas LaRock: "Without a basic understanding of wait events and how the occur, you will waste a lot of time trying and guessing at how to improve the performance of a query." Optimizing SQL Server ...

The optimizer is the heart and soul of a relational DBMS. It analyzes SQL statements and determines the most efficient access plan for satisfying each statement. The optimizer accomplishes this by ...

One of the most time-consuming aspects of being a DBA is assuring the performance of database systems and applications. A lot of time will be spent on tuning application code and SQL statements to ...