1. A method for mass deleting a plurality of data records ( 20 ) from a database system ( 1 ), wherein the method comprises the following step performed during a processing of a mass delete request: a. creating ( 120 ) a data structure ( 40 ) comprising an identifier of each of the plurality of data records ( 20 ) to be deleted and inserting ( 130 ) a pointer to the data structure ( 40 ) into a transaction log( 50 ) of the database system ( 1 ).