New posts in Optimization

Local files vs. CDN

How can you identify duplicate CSS rules?

Ideas to improve website loading speed?

Building an execution plan takes too long on SQL Server

Colleague says to never use an OR statement in SQL, is this true?

Inner join elimination inhibited by prior outer join

Consistent query performance over time

Is there a way to see what were the Candidate Execution Plans generated by the Query Optimizer?

EXCEPT & INTERSECT: Purpose of Passive Projection in Logical Plan

Oracle does not use transitive closure to add additional predicate