发明授权
- 专利标题: Processing a temporal aggregate query in a database system
- 专利标题(中): 在数据库系统中处理时间聚合查询
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申请号: US11983348申请日: 2007-11-08
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公开(公告)号: US08010554B1公开(公告)日: 2011-08-30
- 发明人: Xin Zhou
- 申请人: Xin Zhou
- 申请人地址: US OH Dayton
- 专利权人: Teradata US, Inc.
- 当前专利权人: Teradata US, Inc.
- 当前专利权人地址: US OH Dayton
- 代理机构: Trop, Pruner & Hu P.C.
- 主分类号: G06F17/20
- IPC分类号: G06F17/20 ; G06F15/16
摘要:
A query is received to perform a temporal aggregate on at least one attribute of a temporal table. In response to the query, value changes of the at least one attribute at timestamps are computed, and the value changes are aggregated to produce an aggregate value for the query.
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