how do you count the duplicate records in a table
Answer Posted / akki julak
select count(empno)-count(distinct(empno)) from emp;
Is This Answer Correct ? | 3 Yes | 2 No |
Post New Answer View All Answers
What is a sql trace file?
Why is there a need for sqlcode and sqlerrm variables?
Is sql sequential or random?
Is stored procedure faster than query?
Is null operator in sql?
Explain the order of sql statement execution?
What is pl sql in dbms?
Define commit, rollback and savepoint?
Why do we use subquery?
What is sql lookup?
What is sql select statement?
Mention what does plv msg allows you to do?
Which command is used to call a stored procedure?
Explain alias in sql?
Can we rollback after truncate?