Derivation
Mandatory.
Specify whether you want predetermined join field values to be derived before or after the virtual field values are derived.
Default=After virtual fields.
Rules
Allowable values are:
- Before virtual fields
- After virtual fields
Tips & Techniques
- This option allows a Predetermined Join Field to be used in deriving a virtual field or a virtual field to be used as a key to a file accessed for Predetermined Join Fields.
Also See