# tDBConnection

Opens a connection to a database to be reused in the subsequent subJob or subJobs.

This component works with a variety of databases depending on your selection.

For more technologies supported by Talend, see [Talend components](https://help.qlik.com/talend/r/en-US/7.3/components/db-generic).

### In this section

* [tDBConnection Standard properties](https://help.qlik.com/talend/en-US/components/7.3/db-generic/tdbconnection-standard-properties)