database problem

[coolminded]

how to prevent users to use the specific databases. i mean i have lots of databases. so i want the particular user use the specified database only.
is it possible to have password in the database to lock.
thanx

[rski]

how to prevent users to use the specific databases. i mean i have lots of databases. so i want the particular user use the specified database only.
is it possible to have password in the database to lock.
thanx

use pg_hba.conf to specify who which database can use.