PostgreSQL, Query is very slow , supports Index Scan DESC and index skip scan operations?
I need to extract a small amount of data,
but the table is very large and has many indexed columns,
which makes the response time too slow
Significant performance differences for ‘ORDER BY x LIMIT 1’ and ‘ORDER BY x LIMIT 2’
I’ve got the following table:
count(*) query on view timing out
I’m creating a view in postgresql
. The logic for the view is as follow;
Slow postgresql query with distinct on subquery
I’ve been working on improving the query times for few common query patterns in Postgres. The table structure can be simplified to the following