To close or not to close connection in database

Question

I work with Windows-Mobile and Windows-CE using SqlCE and I dont know what better to do.

To open connection when the program open, run any

Answer 1

Connection establishment is a slow operation, so, creating and closing it can slow down the application. On the opposite hand, if you have a lot of clients, the connection pool will be filled very quickly and other clients won't be able to connect.