In one embodiment, the invention is a method. The method includes receiving a validity statement including a range and an identifier from a user interface. The method further includes determining the identifier indicates a validity range statement. The method also includes looking up the range of the validity statement in a validity range table. Additionally, the method includes translating the range of the validity statement into a validity from parameter and a validity to parameter. Moreover, the method includes submitting a database select statement including the validity from parameter and the validity to parameter to a database interface. Furthermore, the method includes receiving a set of records from the database interface responsive to the database select statement. Also, the method includes transmitting the set of records to the user interface.