AN EXPRESSIONAL METHOD OF DATABASE USING MULTISTAGE QUERY

摘要

The present invention is the dependent fields by specifying the reference field when expressed in a database having a relationship relates to a database representation method using a multi-stage query, the main field and the dependent field is dependent on the state field, the multi-stage query represented by the multi-stage It relates to a database representation method. The first step of this invention is that the main field, data of the row redundancy is removed by the main field structured query of a database including a state field and a field dependency and the search therefor; A second step of a Status of the multi-stage query execution to be dependent by the order of the dependent fields specified in the main field is determined; When the multi-stage query execution is determined, the third step is a multi-stage query according to the dependent field structured query to the database to run; And is made by the order of the dependent fields specified by the execution of the multi-stage query in step 4 are displayed in multiple stages is dependent on the primary field.