Answer Posted / senthilnathan
A pseudo column is an item of data which does not belong in
any particular table but which can be treated as if it did.
Any SELECT list of columns can include these pseudo
columns.
SYSDATE current date and time
ROWNUM sequence number assigned to retrieved rows
ROWID unique identifier for a row
UID number associated with a user
USER userid of current user
| Is This Answer Correct ? | 43 Yes | 12 No |
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