Patent ID: 7016894
Filing Date: 2006-03-21
Classification: G06F,Y10S

Abstract:
1. A data retrieving method comprising the steps of: providing a database built to include an unnormalized data structure, wherein said unnormalized data structure comprises a relation that violates one or more of (i) first normal form condition, (ii) second normal form condition, and (iii) third normal form condition; providing a data dictionary comprising data definition information having at least one display item and at least one calculation item for representing said unnormalized data structure as a logically normalized data structure, wherein a display item in the at least one display item corresponds to a logical item, the data definition information including a logical sub-item for complementing said logical item, and wherein information on a category in a logical item type for representing the unnormalized data structure as the logically normalized data structure is in said logical sub-item; and performing a syntax analysis of a retrieval request from a user according to said data definition information to convert the retrieval request into a query statement which is executable by the database; executing said query statement to the database to obtain a retrieval result; and editing the obtained retrieval result according to said data definition information to generate a final retrieval result corresponding to said retrieval request.