1  –  Log

    Log
    Nolog

    Specifies whether the processing of the command is reported to
    SYS$OUTPUT. Specify the Log qualifier to request log output and
    the Nolog qualifier to prevent it. If you specify neither, the
    default is the current setting of the DCL verify switch. (The DCL
    SET VERIFY command controls the DCL verify switch.)

2  –  Wait

    Wait
    Nowait

    Specifies whether the Oracle RMU operation completes right away
    (Nowait) or whether RMU waits for the record cache server to
    complete the checkpoint before returning to the user. The default
    is Nowait.