New posts in Query Performance

Postgres sometimes uses inferior index for WHERE a IN (...) ORDER BY b LIMIT N

GIN index ignored when query has many (more than 18) OR statements

Eliminate key lookup in execution plan

Very similar queries, vastly different performance

Wordcount in a field (all and unique) - is there a more elegant/optimal way?

Long Running Query on Read-Only Replica that takes moments on the Primary

can anyone help me with this awful query plan?

Converted a Scalar function to a TVF function for parallel execution-Still running in Serial mode

SQL Server expensive nested loops join and lazy table spool

How can I get running totals of recent rows faster?