I have a simple query that scans each record, like this: select * from utente where
luogorilasciodoc='ciao'
The execution time BEFORE vacuum is: 1203ms
The execution time AFTER vacuum is: 6656ms !!!
What is going on? Thought that one vaccum the db to get better performance!
PostgreSQL Ver. 7.3.4 on linux
Thank you
Edoardo