On Thu, Sep 9, 2010 at 12:29 AM, CM <cmpyt...@gmail.com> wrote: > [...] > I'm not even sure what a "connection" really is; I assumed it was > nothing more than a rule that says to write to the database with the > file named in the parentheses. [...]
The following list is not exclusive, but these are the first things that I can think of. - SQLite connections have state like uncommitted transactions - SQLite connections have page caches and metadata caches (tables, structures and indices) Opening and closing SQLite connections is very cheap, but keeping connections open is usually a better approach. You have to have a "global" setting like the path to the database file anyway; so you can wrap a "global" connection object in a factory function just as well. In database applications that use the raw DB-APi i usually start with something like: def get_con(): # return database connection ... HTH -- Gerhard -- http://mail.python.org/mailman/listinfo/python-list