System, method, and data structure for automatically generating database queries which are data model independent and cardinality independent
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United States of America Patent
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Sep 2, 2014
Grant Date -
Nov 21, 2013
app pub date -
May 15, 2012
filing date -
May 15, 2012
priority date (Note) -
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Abstract
Systems and methods are provided for performing a database query. After receiving an identification of data item components and associations between the data item components, wherein the data item components include a measure and a category, a query generation system creates and executes a database query that comprises one or more Uqueries, wherein each Uquery comprises a Mx segment subquery and a U0 segment subquery. The Mx segment subquery is associated with a table that contains the measure, a table that contains columns for a calculated measure, or a correlated table, and the U0 segment subquery is associated with a table that contains the category, a table that contains columns for a calculated category, a dependent measure table, or a dependent filter table. The query generation system can generate a virtual results table by aggregating Uquery results from one Uquery with Uquery results from another Uquery.
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