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what supplemental log data means

Posted on 2008-10-21
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hi
i have a table in db which has these lines
       SUPPLEMENTAL LOG DATA (PRIMARY KEY) COLUMNS,
       SUPPLEMENTAL LOG DATA (UNIQUE INDEX) COLUMNS,
       SUPPLEMENTAL LOG DATA (FOREIGN KEY) COLUMNS
what does this indicate in table defination.
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Question by:samir25
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jwittenm earned 2000 total points
ID: 22771876
It means that oracle is writing extra redo to the logs when DML is executed against the table, presumably to enable Streams or Advanced Replication.
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