I have two same queries but with different where condition values When I ran this two queries they both producing different result for first query the result and for the 2nd one Can anyone explain Me why Postgres is making a BitMap Scan instead of Index Only scan ? Answer The short version is that Postgres has a cost-based approach,
Tag: postgres-9.6
SQL group by a field and only return one joined row for each grouping
Table data What I want to do is group by the name, then for each group choose one of the rows with the earliest required by date. For this data set, I would like to end up with either rows 1 and 4, or rows 2 and 4. Expected result: OR I have something that returns 1,2 and 4 but
How to restore postgres 12 generated sql file into postgres 9.6 database
I am trying to restore the database. The database sql file is about 4.5 GB so I couldn’t edit it on editor. I dump the database using following command in postgres 12; But I need the same database in postgres 9.6. For this purpose, I write the following code to restore it It shows the error like this (Error in