Delete duplicate records in the emp table.
Answer Posted / srinivas ganamur
Delete from table t1
where t1.rowid>(select from table t2
from table t2
where t1.col_name=t2.col_name);
Srinivas Ganamur
Bangalore
Is This Answer Correct ? | 7 Yes | 3 No |
Post New Answer View All Answers
How does cross join work in sql?
Is oracle sql free?
Can a key be both primary and foreign?
What is a null value?
Why do we need cursors in pl sql?
Are dml statements autocommit?
what are all types of user defined functions? : Sql dba
How can I delete duplicate rows?
What is sql basics?
How many types of normalization are there?
what is self join and what is the requirement of self join? : Sql dba
What is difference between left and right outer join?
Is sql developer case sensitive?
What are different sql data types?
What does the hierarchical profiler does?