You must specify the schemas in which to store the DB2 tools catalog and the warehouse control database.
DB2 tools catalog schema
Type a new name for the DB2 tools catalog schema in the New field, select Existing to select an existing schema, or accept the default.
Warehouse control database schema
Type a new name for the Warehouse control database schema in the New field, select Existing to select an existing schema, or accept the default.
This schema will be used as the table qualifier for tables that are created in the warehouse control database.