El día lunes, septiembre 06, 2021 a las 11:45:34p. m. +0530, Shubham Mittal escribió: > 20 Lakh is the current no of rows in the task table.. on which the query is > executed.. Ahh, I never came accross this (Indian) unit 'lakh' and now understand that we're are talking about https://en.wikipedia.org/wiki/Lakh and 20 Lakh are only 2.000.000 rows, which isn't a very big number. Can't help with your query, though. matthias -- Matthias Apitz, ✉ guru@xxxxxxxxxxx, http://www.unixarea.de/ +49-176-38902045 Public GnuPG key: http://www.unixarea.de/key.pub August 13, 1961: Better a wall than a war. And, while the GDR was still existing, no German troups and bombs have been killed in Yugoslavia, Afghanistan, Afrika...