This function deletes a record from the database. It does not free the space in the database file but just marks it as deleted. Inserting a new record afterwards will reuse the space.
This function is only available if pxlib >= 0.6.0 is used.
Resource identifier of the paradox database as returned by px_new().
The record number is an artificial number counting records in the order as they are stored in the database. The first record has number 0.