ALTER

The ALTER command modifies the attributes of defined data sets and catalogs.

The syntax of the ALTER command is:

Command Parameters
ALTER entryname
  [ACCOUNT(account–info)]
  [ADDVOLUMES(volser[ volser...])]
  [BUFFERSPACE(size)]
  [BUFND(number)]
  [BUFNI(number)]
  [BWO(TYPECICS|TYPEIMS|NO)]
  [CCSID(value)]
  [CODE(code)]
  [ECSHARING|NOECSHARING]
  [EMPTY|NOEMPTY]
  [ERASE|NOERASE]
  [EXCEPTIONEXIT(entrypoint)]
  [EXTENDEDADDRESSABLE]
  [FIFO|LIFO]
  [FILE(ddname)]
  [FILEDATA(TEXT|BINARY)]
  [FREESPACE(CI-percent[ CA-percent])]
  [FRLOG(NONE|REDO)]
  [INHIBIT|UNINHIBIT]
  [KEYS(length  offset)]
  [LIMIT(limit)]
  [LOCK|UNLOCK]
  [LOG(NONE|UNDO|ALLStart of change|REDO)]End of change
  [LOGREPLICATE|NOLOGREPLICATE]
  [LOGSTREAMID(logstream)]
  [MANAGEMENTCLASS(class)]
  [NEWNAME(newname)]
  [NULLIFY(
     [AUTHORIZATION(MODULE|STRING)]
     [BWO]
     [CODE]
     [EXCEPTIONEXIT]
     [LOG]
     [LOGSTREAMID]
     [MANAGEMENTCLASS]
     [OWNER]
     [RETENTION])]
  [OWNER(ownerid)]
  [PURGE|NOPURGE]
  [RECLAIMCA|NORECLAIMCA ]
  [RECORDSIZE(average  maximum)]
  [REMOVEVOLUMES(volser[ volser...])]
  [REUSE|NOREUSE]
  [RLSQUIESCE|RLSENABLE]
  [ROLLIN]
  [SCRATCH|NOSCRATCH]
  [SHAREOPTIONS(crossregion[ crosssystem])]
  [STORAGECLASS(class)]
  [STRNO(number)]
  [SUSPEND|RESUME]
  [TO(date)|FOR(days)]
  [TYPE(LINEAR)]
  [UNIQUEKEY|NONUNIQUEKEY]
  [UPDATE|NOUPDATE]
  [UPGRADE|NOUPGRADE]
  [CATALOG(catname)]