how to delete duplicate rows from a specified table(only
single table)
how do you know which join is need to be used
Answer Posted / samir kumar sahoo.
DELETE FROM tablename A WHERE ROWID>(SELECT MIN(ROWID) FROM
tablename B WHERE A.key_values=B.key_values);
Is This Answer Correct ? | 6 Yes | 2 No |
Post New Answer View All Answers
what is the difference between undefined value and null value? : Sql dba
What is compute?
how to enter binary numbers in sql statements? : Sql dba
How to return an array from java to pl/sql?
how can we encrypt and decrypt a data present in a mysql table using mysql? : Sql dba
What are field types?
Is sql better than excel?
Why primary key is required?
Can we join two tables without common column?
Which operator is used in query for pattern matching?
How do I clear the screen in sql plus?
What is numeric function sql?
Name the operator which is used in the query for pattern matching?
What is break?
What is sql indexing?