In table three columns with 1 milion records(here there is
no sequence values) i want add one more column with
sequence values from the first how it is posible?
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Answer Posted / shekharjchandra
Hi
That's a simple one . (if table is tab1)
1. Add column first
ALTER TABLE tab1 add col1 number ;
2. Update the col1 of tab1
UPDATE tab1 SET col1=ROWNUM.
This will populate all the rows in sequential numbers.
Hope this solves u r problem
regards
JC
| Is This Answer Correct ? | 16 Yes | 1 No |
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