Delete oldest records from database

Question

I have a database with 1000 records. I am trying to create an SQL statement so if the number of records grows above 1000, then the oldest records are deleted (i.e. the new r

Answer 1

For delete all records except the first record (min/max id) you can use:

SET @ls AS INT

SELECT @ls = MIN(id) FROM DATA

DELETE FROM DATA WHERE id <> @ls