An apparatus and method to analyze relationships of objects when all objects in combinations are required for the problem resolution to determine which objects to place in a container (cache) to thereby improve database performance and utility. Preferred embodiments are illustrated with respect to attribute caching in a computer database system, where the attributes or objects that need to be cached are not individual attributes, but combinations of attributes where including one object affects all combinations in which it exists. In other preferred embodiments, attribute caching is described where including a combination of objects affects all other combinations that contain one or more of the individual objects in the included combination.


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