OPAL ReferenceOPAL helpful hintsBest practices for OPAL field extractionAlways cast on field extraction This is a courtesy to the reader, who has no idea what to expect when reading your transform. Bad OPAL: Good OPAL: Updated 8 months ago Can I use OPAL to rename a Dataset?Best practices for case statements in OPALDid this page help you?YesNoCopy PageAlways cast on field extraction