I am working with a PostgreSQL database where I have a query that unions 5000 tables with identical structures. The query is saved as a view. I've noticed that the planning time for this query is significantly longer than the…
I have to write a query which will return the latest timestamp column's value from a table if rows exist. If there is no row(s) in table then it return the default value. I have write the following query in…
SELECT '1000000' AS number UNION ALL SELECT '541' AS number UNION ALL SELECT '-500' AS number UNION ALL SELECT '100' AS number UNION ALL SELECT number, 'biggest' AS result WHERE number = 1000000 How to make this work? My task…