It all depends on the database and the API in use. When handling sqlite with Python I often use Roger Binns' APSW. (https://rogerbinns.github.io/apsw/cursor.h

It all depends on the database and the API in use. When handling sqlite with Python I often use Roger Binns' APSW. (https://rogerbinns.github.io/apsw/cursor.html#cursors https://rogerbinns.github.io/apsw/cursor.html#cursors) With an in-memory database or running it on an NVMe drive you can get some ridiculous performance out of Sqlite using APSW cursors.