This paper demystifies query tuning by providing a rigorous 12-step process that database professionals at any level can use to systematically assess and adjust query performance, starting from the ...

Production performance problems arrive with pressure. Users are waiting. Jobs are queued. Management wants answers in five minutes. The fastest-looking response — jumping straight to a query plan, ...

A query using a nonclustered index is not always efficient. In many SQL Server workloads, the optimizer performs an Index Seek followed by a Key Lookup to retrieve columns not available in the ...

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. Membership (fee-based) Forbes Technology Council is an invitation-only, fee-based ...