how do you count the duplicate records in a table
Answer Posted / shalu
select count(*) from table_name group by column1,column2...
having count(*) > 1
| Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
Can we call procedure in select statement?
Can we commit in trigger?
i have a column which may contain this kind of value: 123*67_80,12*8889_5,34*8_874 ,12*7_7 (can contain space before a comma, and this string length can be anything) now i want to split this value into two column like: column1: 123*67,12*8889,34*8,12*7 column2: 80,5,874,7 use function for this
What is database white box testing and black box testing?
Is sql free?
What do we need to check in database testing?
Can we use view in stored procedure?
What is a procedure in pl sql?
What are pl/sql packages?
how is myisam table stored? : Sql dba
What does an inner join do?
Which column in the user.triggers data dictionary view shows that the trigger is a pl/sql trigger?
Can we use commit inside a trigger?
How can get second highest salary in sql?
Is sql an operating system?