Answer / kangana

uNIQUE CONSTARINT CAN VALIDATE PSEUDOCLOUMN SYSDATE

SYSDATE FORMAT IS LIKE 3/2/2010 8:42:46 PM

SO FOR EACH MILLISECOND IF U INSER A ROW IT WILL TAKE THE
INSERTION BUT IF U INSERT IN EACH FRACTION OF MILLISECOND
ITS VALIDATE AND UNIQUE CONSTARINT IS VOILATED.

Answer / nagendra

Yes, it will validate the rows that are inserted with sysdate

Answer / zikku

No Date column can not validate the rows that are inserted
with sysdate.

Answer / chandrasekar ramasamy

No B'coz the sysdate contains date and time format

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