Delete duplicate records in the emp table.
Answer Posted / amedela chandra sekhar
delete from emp x where rowid>(select min(rowid) from emp
where rmpno=x.empno);
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What programs use sql?
Define sql delete statement.
What is a call statement? Explain with an example.
How do we use distinct statement? What is its use?
Explain clause in sql?
What is foreign key and example?
What is materialized view in sql?
What does trigger mean in psychology?
Is left join faster than inner join?
Which function is used to return remainder in a division operator in sql?
How will you distinguish a global variable with a local variable in pl/sql?
Can we join same table in sql?
Is record in oracle pl sql?
What is the most restrictive isolation level? : Transact sql
What is trigger in pl sql?