发明名称 |
QUERY OPTIMIZATION IN A PARALLEL COMPUTER SYSTEM WITH MULTIPLE NETWORKS |
摘要 |
A database query optimizer optimizes a query that uses multiple networks. The database query optimizer optimizes a query that uses multiple networks to satisfy the query by splitting the query execution to use multiple networks. Thus, the query optimizer rewrites or optimizes a query to execute on multiple nodes or networks to more efficiently execute the query and reduce network traffic on a network. The query optimizer uses plan cache statistics to determine whether to use multiple networks to optimize the query.
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申请公布号 |
US2013185283(A1) |
申请公布日期 |
2013.07.18 |
申请号 |
US201313786404 |
申请日期 |
2013.03.05 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BARSNESS ERIC L.;DARRINGTON DAVID L.;RANDLES AMANDA E.;SANTOSUOSSO JOHN M. |
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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地址 |
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