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Write an SQL Query to
Delete Duplicate records from a table using ROWID.
- 24 Answers
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- pspl, Satyam, Thinkways, I also Faced
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Answer / koti
Ganesh ,You are right very good.
delete from emp t
where rowid != ( select min(rowid)
from empno
where empno = t.empno );
---------And other answers are not right .
| Is This Answer Correct ? | 15 Yes | 16 No |
Answer / madhuapps
delete from t1 tl
where tl.rowid >
( select min(tl2.rowID) from t1 tl2
where tl.col1 = tl2.col1
and tl.col2 = tl2.col2)
| Is This Answer Correct ? | 25 Yes | 31 No |
Answer / satyan
simple query
step 1
select rowid,column1,column2,column3 from table name where
condition;
step 2
delete from table name where rowid = '........'
| Is This Answer Correct ? | 4 Yes | 11 No |
Answer / ganesh
delete from emp t
where rowid != ( select min(rowid)
from empno
where empno = t.empno );
| Is This Answer Correct ? | 14 Yes | 24 No |
HOW CAN YOU KNOW UPDATE STMT IS WORKED OR NOT IN PL/SQL?
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