Stops RdbALTER logging.  The NOLOG  command  stops  audit  trail
 logging  if a previous LOG command is still in effect.  The EXIT
 command performs an implicit NOLOG if LOG is still active; thus,
 you  need  not enter a NOLOG command before exiting the RdbALTER
 session.

Additional information available:

FormatExamples

 NOLOG ───>

 Example 1

 The following example stops audit trail logging:

 RdbALTER> NOLOG