专利名称:Optimizing a computer database query that
fetches N rows
发明人:Brian Robert Muras,Robert Russell
Nelson,John Matthew Santosuosso
申请号:US11864913申请日:20070929公开号:US07756861B2公开日:20100713
专利附图:
摘要:An apparatus and method to optimize a query access plan in a computerdatabase system. In preferred embodiments, the query optimizer determines the query
can be optimized and generates for the query an optimized access plan that eliminatesrecords defined by a Where clause and one or more ordering criteria prior to orderingthe records (sorting or grouping) and then returning a first n rows.
申请人:Brian Robert Muras,Robert Russell Nelson,John Matthew Santosuosso
地址:Rochester MN US,Rochester MN US,Rochester MN US
国籍:US,US,US
代理机构:Martin & Associates, LLC
代理人:Bret J. Petersen
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