| 摘要 |
Disclosed is a data processing system, such as a data warehouse, having a number of application programs that each require a certain class of input database tables. A class is defined by means of a set of predefined attributes that needs to be present in a database table in order to be used as an input database table for a given application program. A user may enter a combination database table by combining two or more database tables. The combination database tables are classified by means of the predefined attributes and the assignment of database tables and combination database tables to classes is entered into a mapping table.
|
