Delete duplicate records in the emp table.
Answer Posted / 14-07-2007
delete from emp where rowid not in(select min(rowid) from
emp group by empno;
Is This Answer Correct ? | 13 Yes | 2 No |
Post New Answer View All Answers
What is asqueryable?
what is heap table? : Sql dba
how can we take a backup of a mysql table and how can we restore it. ? : Sql dba
What is oracle pl sql developer?
What is oracle sql called?
What are the most important ddl statements in sql?
Can a procedure in a package be overloaded?
How do you update a sql procedure?
What is the difference between pl and sql?
how tsql statements can be written and submitted to the database engine? : Transact sql
What is an index in sql with example?
What are different types of queries in sql?
Who is the owner of mysql database?
What is sql performance tuning?
Write the order of precedence for validation of a column in a table? I. Done using database triggers. Ii. Done using integarity constraints