[Tutor] best approach to db-api imports and cursor calls

[Serdar Tumgoren]

> My understanding is that it is relatively expensive to connect() and
> cheap to create cursors. Cursors are also associated with
> transactions. So a common practice seems to be to create a connection
> that is shared in some way, and to create a cursor for each
> transaction / operation.
>
> Kent

Is there any reason why you can't reuse the same cursor object? I know
when you're writing to a database, you have to be sure to commit your
changes. But if I'm just issuing execute statements and then fetching
data, is it okay to reuse the same cursor?