This tutorial provides two SQL statement codes for deleting duplicate records. One is to use wherein to query duplicate records and then delete them. The other is to use innerjoin to delete duplicate records on the instance.
This tutorial provides two SQL statement codes for deleting duplicate records. You can use where in to query duplicate records and then delete them. You can also use inner join to delete duplicate records.
Delete SQL statements for Repeated Records
This tutorial provides two SQL statement codes for you to delete duplicate records. You can use where in to query duplicate records and then delete them. You can also use inner join to delete duplicate records.
*/
// Method 1
Delete from tablea where title in (select a. title from tablea a join tableb B on a. title = B. title)
// Method 2
Delete a. * from tablea
Inner join tableb B on a. title = B. title
Where 1