Registration of solved cubes within a relational database management system
First Claim
1. A method for performing an operation based on multidimensional data managed by a relational database management system, wherein the multidimensional data that is stored in the relational database includes a plurality of dimensions and at least one dimension of the plurality of dimensions includes a hierarchy having two or more levels of granularity, the method comprising the computer-implemented steps of:
- registering, with said relational database management system, metadata that defines a cube, wherein said metadata includesdata that identifies that said cube is a solved cube; and
data that indicates how to handle requests that involve said solved cube, including data that identifies one or more machine-executable procedures which can be dynamically executed at runtime to compute resulting measure data for a particular scenario that the solved cube represents;
receiving, through an OLAP API, a request for an operation to be performed on multidimensional data associated with said solved cube; and
in response to said request, performing the steps ofdetermining, based at least in part on said metadata, that said solved cube can be used to fulfill said request,determining, based on said metadata, one or more operations to perform to fulfill said request, andgenerating results based on performing said one or more operations including executing at least one of said one or more machine-executable procedures.
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Abstract
Performing operations on multidimensional data managed by a relational database system is facilitated by registration of solved cubes with a RDBMS. A solved cube is an abstract construct likened to a view or a table on relational data and contains not only base data, but also aggregated measure data that is base data that has been processed across multiple levels of a hierarchical dimension. In an embodiment, a solved cube may provide all the pre-computed aggregated data for a particular context that the solved cube represents. In another embodiment, a solved cube may not provide any pre-computed data, but may provide several procedures, operations and/or instructions that can be executed to compute aggregated data for a particular context that the solved cube represents. A solved cube is registered with a RDBMS by providing metadata that defines a given solved cube. Therefore, a database server is able interpret the metadata, and to perform operations on the given solved cube based on the metadata.
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Citations
39 Claims
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1. A method for performing an operation based on multidimensional data managed by a relational database management system, wherein the multidimensional data that is stored in the relational database includes a plurality of dimensions and at least one dimension of the plurality of dimensions includes a hierarchy having two or more levels of granularity, the method comprising the computer-implemented steps of:
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registering, with said relational database management system, metadata that defines a cube, wherein said metadata includes data that identifies that said cube is a solved cube; and data that indicates how to handle requests that involve said solved cube, including data that identifies one or more machine-executable procedures which can be dynamically executed at runtime to compute resulting measure data for a particular scenario that the solved cube represents; receiving, through an OLAP API, a request for an operation to be performed on multidimensional data associated with said solved cube; and in response to said request, performing the steps of determining, based at least in part on said metadata, that said solved cube can be used to fulfill said request, determining, based on said metadata, one or more operations to perform to fulfill said request, and generating results based on performing said one or more operations including executing at least one of said one or more machine-executable procedures. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. An apparatus for performing an operation based on multidimensional data managed by a relational database management system, wherein the multidimensional data that is stored in the relational database includes a plurality of dimensions and at least one dimension of the plurality of dimensions includes a hierarchy having two or more levels of granularity, the apparatus comprising:
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one or more processors; memory operatively coupled to the one or more processors; means for registering, with said relational database management system, metadata that defines a cube, wherein said metadata includes data that identifies that said cube is a solved cube; and data that indicates how to handle requests that involve said solved cube, including data that identifies one or more machine-executable procedures which can be dynamically executed at runtime to compute resulting measure data for a particular scenario that the solved cube represents; means for receiving, through an OLAP API, a request for an operation to be performed on multidimensional data associated with said solved cube; means for determining, based at least in part on said metadata, that said solved cube can be used to fulfill said request, means for determining, based on said metadata, one or more operations to perform to fulfill said request, and means for generating results based on performing said one or more operations including executing at least one of said one or more machine-executable procedures. - View Dependent Claims (39)
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Specification