Is there a way to produce a report listing of a subschema?
Yes, you can use the IDMSRPTS utility to produce a Subschema Report Listing.
Specify SSCRPT to produce all subschema reports.
For example:
//IDMSBCF EXEC PGM=IDMSRPTS,REGION=2048K
//STEPLIB DD DSN=<yourHLQ>.CAGJLOAD,DISP=SHR
//SYSCTL DD DSN=<yourHLQ>.SYSCTL,DISP=SHR
//SYSLST DD SYSOUT=*
//SYSPRINT DD SYSOUT=*
//SORTMSG DD SYSOUT=*
//SYSUDUMP DD SYSOUT=*
//SYSIDMS DD *
DMCL=DMCL1900
//SYSIPT DD *
SCHEMA=EMPSCHM VERSION=(100)
SSC=EMPSS01
SSCRPT
Sample Report:
<Please see attached file for image>