| 摘要 |
In a data retrieving apparatus, a data dictionary is constructed so as to include definition information concerning tables, items and calculation syntax for representing an unnormalized data structure as a logically normalized data structure. A retrieval request designation control section interactively accepts a retrieval request from a user according to the data dictionary. A retrieval request translation processing section translates the retrieval request to a query statement, which a database can execute, according to the data dictionary. The query statement is executed in a database retrieval processing section so that retrieval data is obtained. A data integration processing section integrates or aggregates the retrieval data according to the data dictionary so that final result data corresponding to the retrieval request is generated. A result data output processing section presents the final result data to the user.
|
