On Sat, 2024-04-06 at 04:33 +0000, M Sarwar wrote:
> I am working on SQL performance issue.
>
> After analyzing the results from the file, Explain-Analyze-Net-Temps-Slow-Response-Bao.xlsx,
> I tried to create several indexes one by one based on the possibility from Explain analyze
> results and none of them are helping in improving the performance of SQL.
> I am just trying to know what are the other approaches which I can use to resolve this performance issue.
According to my reading of the execution plan, the following index should help a lot:
CREATE INDEX ON test_part_details_all_mcm_mid (serial_number, stage, temperature);
There might be more gains in rewriting whatever caused this subquery.
Yours,
Laurenz Albe