发明名称 |
Concurrency control for transactions that update base tables of a materialized view using different types of locks |
摘要 |
Concurrency control for maintenance of materialized view defined as a join on a plurality of base tables is provided by obtaining different types of locks. The base table being updated is locked with one type of lock, and the other base tables of the materialized view is locked with a different type of lock. These lock types are defined so that another process attempting to update another base table simultaneously is blocked until the update on the base table is committed. On the other hand, another process attempting to update the same base table is allowed to perform that update concurrently.
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申请公布号 |
US6353828(B1) |
申请公布日期 |
2002.03.05 |
申请号 |
US19990311273 |
申请日期 |
1999.05.14 |
申请人 |
ORACLE CORP. |
发明人 |
GANESH AMIT;WITKOWSKI ANDREW |
分类号 |
G06F17/30;(IPC1-7):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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