发明名称 |
Generating statistics for temporary tables during query optimization |
摘要 |
An apparatus, program product and method generate at least one statistic for a temporary table during optimization of a database query before the temporary table is created. By doing so, optimization can proceed on a database query irrespective of the fact that the temporary table may not be materialized until the database query is ultimately executed.
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申请公布号 |
US2007043697(A1) |
申请公布日期 |
2007.02.22 |
申请号 |
US20050207055 |
申请日期 |
2005.08.18 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
DRIESCH ROBERT D.JR.;EDWARDS JOHN F.;FAUNCE MICHAEL S.;MURAS BRIAN R. |
分类号 |
G06F17/30 |
主分类号 |
G06F17/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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