z/OS V1R6.0 DFSMS Access Method Services for Catalogs

DELETEThe second DELETE command removes the generation data group base catalogentry from the catalog. Its parameters are:vvvGDG01 is the entryname of the object being deleted. GDG01 identifies thegeneration data group base entry.GENERATIONDATAGROUP specifies the type of entry being deleted. VSAMverifies that GDG01 is a generation data group entry, then deletes it. If GDG01incorrectly specifies another type of entry, VSAM does not delete the entry, butnotes the discrepancy with a message to the programmer.PURGE specifies that the generation data group’s retention period or date beignored.Delete a Generation Data Group with Recovery: Example 12In this example, a generation data group base catalog entry, GDG01, is deletedfrom the catalog. The generation data sets associated with GDG01 remainunaffected in the VTOC.//DELETXX JOB ...//STEP1 EXEC PGM=IDCAMS//SYSPRINT DD SYSOUT=ADELETE -GDG01 -GENERATIONDATAGROUP -RECOVERY/*The DELETE command removes the GDG base catalog entry from the catalog. Itsparameters are:vvvGDG01 is the name of the GDG base entry.GENERATIONDATAGROUP specifies the type of entry being deleted. VSAMverifies that GDG01 is a GDG entry, then deletes it. If GDG01 is not a GDGentry, VSAM issues a message and does not delete it.RECOVERY specifies that only the GDG base entry name in the catalog isdeleted. Its associated generation data sets remain intact in the VTOC.Delete a Member of a Partitioned (Non-VSAM) Data Set in aCatalog: Example 13In this example, the MEM1 member of partitioned data setEXAMPLE.NONVSAM2 is deleted, then the data set itself is deleted.//DELET10 JOB ...//STEP1 EXEC PGM=IDCAMS//SYSPRINT DD SYSOUT=A//SYSIN DD *DELETE -EXAMPLE.NONVSAM2(MEM1) -DELETE -EXAMPLE.NONVSAM2 -PURGE -CATALOG(USERCAT4)/*The first DELETE command deletes a member of a partitioned data set,EXAMPLE.NONVSAM2(MEM1), from the user catalog USERCAT4. Its parametersare:vEXAMPLE.NONVSAM2(MEM1) is the entryname of a member of thepartitioned data set, EXAMPLE.NONVSAM2. The entryname identifies theobject to be deleted.Chapter 20. DELETE 233