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what supplemental log data means

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.
0
samir25
Asked:
samir25
1 Solution
 
Deepika_RastogiCommented:
0
 
jwittenmCommented:
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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