Connecting using PGQL-on-RDBMS
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To connect using DB credentials directly the following convenience method can be used, otherwise a JDBC connection object needs to be provided.

.. automethod:: opg4py.pgql.get_connection
   :noindex:

Connecting to PGQL-on-RDBMS involves getting a connection object, that allows further operations such as creating a statement or retrieving metadata on the underlying JDBC connection.

.. autoclass:: opg4py.pgql.PgqlConnection
   :members:
   :noindex: