| 摘要 |
Based upon an item master, the present invention establishes a 3-tier data structure containing a bill of material (BOM), an item master, and a related information object (a file or datum) and integrates various information management software modules or information objects stored in the BOM, the item master and the related information object in the same database into an information module. For the information modules in different databases, the present invention further utilizes the tree structure of the item master to link required information together, forming an integrated information structure that enables each information object to communicate with one another and share information among databases.
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