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Oracle offers DML redirection for active dataguard setup where a write operation on the replica database is redirected to the primary database to allow applicat
by saga92 7y ago
Oracle offers DML redirection for active dataguard setup where a write operation on the replica database is redirected to the primary database to allow applications that make infrequent writes to actively run on the Active Data Guard replica database. Also the write operation completes when the replica has seen the write from the primary thereby eliminating the race condition avoiding such complex reengineering
- rosstafarian0 7y agoA lot of databases have a concept of consistent reads. Even DynamoDB will allow you to specify consistent reads explicitly on a query and writing through DAX will take care of the scenario as you described as the read cache is immediately updated. This a common scenario.