1. A method comprising: storing a first schema definition describing a first plurality of database objects; storing a first workload description describing access to the first plurality of database objects at a first database system; generating a second schema definition describing a second plurality of database objects, wherein each database object of the second plurality of database objects is a counter-part to one or more database objects of the first plurality of database objects; wherein the generating of the second schema definition includes, based on the first workload description and the first schema definition, selecting particular database objects in the first plurality of database objects, wherein one or more second database objects in the second plurality of database objects are counter-parts to the particular database objects.