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AssigneeInternational Business Machines Corporation
InventorsTawei Hu, Lily Liang, Kenneth Carlin Nelson, Li-Ming A. Wang, Howard Hao Zhang
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A database management system, method, and program product for managing a relational database of items. Each of the items has a plurality of attributes, and the relational database is adapted to operate on the items as a function of the attributes of an item. According to our invention the attributes are arrayed in a hierarchal array of attributes and levels of attribute groups, such that an attribute group contains one or more attributes. According to our invention an attribute is contained in only one first level attribute group, and an intermediate attribute group is contained in only one attribute group at a next higher level. In a preferred embodiment of our invention the items are content items.
A database management system comprising a relational database of items, each of said items having a plurality of attributes, said relational database being adapted to operate on items as a function of the attributes of an item, said attributes being arrayed in a hierarchal array of attributes and levels of attribute groups, and wherein an attribute group contains one or more attributes.
A method of managing items in a relational database management system, wherein said items are characterized by attributes, said relational database being adapted to operate on items as a function of the attributes of an item, said method comprising arraying said attributes in a hierarchal array of attributes and levels of attribute groups, and wherein an attribute group contains one or more attributes.
A program product comprising computer readable program code on a medium, said computer readable program code being adapted to configure and control one or ore computers to operate a relational database of items, each of said items having a plurality of attributes, said relational database operating on items as a function of the attributes of an item, said computer readable program code arraying said attributes in a hierarchal array of the attributes and levels of attribute groups, wherein an attribute group contains one or more attributes.
Dependencies are inferred from the claim text.