发明名称 |
Managing access to data in a distributed database environment |
摘要 |
A method and an apparatus for managing access to data on a distributed database system is provided. A snapshot list is generated for a transaction executing on the distributed database system. The snapshot list specifies snapshot times for a plurality of locations in the distributed database system. The snapshot times are determined based upon the location of a data item and the location where the transaction is executing. The selection of a version of the data item to be provided to the transaction is made based upon the snapshot time for the location associated with the data.
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申请公布号 |
US6237001(B1) |
申请公布日期 |
2001.05.22 |
申请号 |
US19980095463 |
申请日期 |
1998.06.10 |
申请人 |
ORACLE CORPORATION |
发明人 |
BAMFORD ROGER J.;KLOTS BORIS |
分类号 |
G06F9/46;G06F17/30;(IPC1-7):G06F15/00 |
主分类号 |
G06F9/46 |
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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