Glossary term: Transaction

A set of changes to PGObjects in a PGBase that are being performed as a unit.

A set of changes to PGObject in a PGBase that are being performed as a unit. Any Transaction either succeeds in its entirety – all changes within the Transaction are applied to the PGObject in the PGBase – or fails – all of the changes within the Transaction are undone, and the PGBase is left as if no change had ever been attempted.