How to determine if the C1PSTRDB, C1PAL2, and Z4CHNG database files are required in CICS for use with CODE-1 Plus

Products Affected:  CODE-1 Plus
The C1PSTRDB database file is used for Enhanced Street Matching and contains street names sorted in alphabetical order within a locality.  All street names within a locality that start with the same letter as the input street name are compared to the input street.  The street name that most closely matches the input street name can be determined).  This is optional in both batch and CICS.

C1PAL2 is used for both Preferred and Abbreviated Alias processing.  This is optional in both batch and CICS.

Z4CHNG is used for the Z4CHANGE option.   Z4Change can only be used in batch and is optional.

UPDATED:  September 19, 2017