Planner avoids it.
Why it happens
Low selectivity.
Why it matters
Slow queries.
Vital fix
Index columns with high cardinality.
Bits of .NET
Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
Planner avoids it.
Why it happens
Low selectivity.
Why it matters
Slow queries.
Vital fix
Index columns with high cardinality.