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不,这和RAC不同.
Oracle Advanced Replication (MV view) 可做到这样,所以我人为INFORMIX 应也行.
在INFORMIX REPLICATION GUIDE 里:
Enterprise Replication supports the following three replication types:
-- Primary target
-- Workflow
-- Update anywhere
...
Update-Anywhere Replication System
An update-anywhere replication system allows peer-to-peer update capabilities.
This capability allows users to function autonomously even when other
systems or networks in the replication system are not available.
Figure 4-5 illustrates an update-anywhere replication system. Because each
service center can update a copy of the data, conflicts can occur when the data
is replicated to the other sites. To resolve update conflicts, conflict detection
and conflict resolution rules are required.
...
我感觉 Update-Anywhere 这种复置应该能做到,但我刚学INFORMIX,还没掌握.
不知各位见解如何? |
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