WebApr 9, 2024 · I have the following indexes and FK in khatma_reads table:-. When i run the following query in khatma_reads table:-. SELECT * FROM `khatma_reads` WHERE `status_id` = '2' AND `khatma_id` = '70759' LIMIT 50. It takes long time to response, but when i remove the status_id = '2' from the query, it loads smoothly:-.
Simple Select Query taking long time to execute - Stack …
Web1:- Check Indexes. 2:- There should be indexes on all fields used in the WHERE and JOIN portions of the SQL statement 3:- Limit Size of Your Working Data Set. 4:- Only Select Fields You select as Need. 5:- Remove Unnecessary Table and index 6:- Remove OUTER JOINS. 7:- Remove Calculated Fields in JOIN and WHERE Clauses. Share Improve this answer WebJul 7, 2024 · MySQL provides database query caching which caches the SELECT statement text and the retrieved result. Hence, whenever you make a duplicate database, you call MySQL query cache, it will respond to you and show the result from the cache, and no call will be parsed repeatedly. In this way, you can maximize the MySQL cache optimization … herlufsholm mobning
select query is taking very long time — oracle-tech
WebFeb 25, 2024 · SQL Monitor has raised a “ Long running query ” alert. To be alerted otherwise, you’d need to capture the diagnostic data manually (e.g. using Extended Events) and then set up associated alert conditions for SQL Agent. WebJun 1, 2024 · I have Select query if new invoice found then it will give rows/records if not found then it will never give any data/rows. but may select query is taking very long time to complete in Toad as well as in program. Note: i have few org_id's ,but my query is taking long time for org_id=83 only. WebSep 10, 2024 · Take your time and work on the operation for as long as you need, while making use of the small batches. Working too quickly to finish the work only slows down … maven compile only changed files