Executing Queries Referencing Data Stored in a Unified Data Layer
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Abstract
A mechanism is provided in a data processing system for executing queries referencing data stored in a unified data layer. A relational engine executing on the data processing system receives a structured query language (SQL) query from a client. A query processor executing on the data processing system accesses integrated data sources including a unified data layer (UDL) data source storing UDL topic files via a data virtualization layer to form query results. The data virtualization layer projects the UDL topic files into relational form. The relational engine returns the query results to the client.
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Citations
20 Claims
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1-8. -8. (canceled)
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9. A computer program product comprising a computer readable storage medium having a computer readable program stored therein, wherein the computer readable program, when executed on a data processing system, causes the data processing system to:
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receive, by a relational engine executing on the data processing system, a structured query language (SQL) query from a client; access, by a query processor executing on the data processing system, integrated data sources including a unified data layer (UDL) data source storing UDL topic files via a data virtualization layer to form query results, wherein the data virtualization layer project the UDL topic files into relational form; and return, by the relational engine, the query results to the client. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A data processing system comprising:
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a processor; and a memory coupled to the processor, wherein the memory comprises instructions which, when executed by the processor, cause the processor to; receive, by a relational engine executing on the data processing system, a structured query language (SQL) query from a client; access, by a query processor executing on the data processing system, integrated data sources including a unified data layer (UDL) data source storing UDL topic files via a data virtualization layer to form query results, wherein the data virtualization layer projects the UDL topic files into relational form; and return, by the relational engine, the query results to the client. - View Dependent Claims (18, 19, 20)
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Specification