Queued updating replication


17-Dec-2017 20:49

In this example, you can use the Replication Management tool to delete the conflicting transaction from the destination site. Typically, you only want the trigger to fire when the change is first made, and you do not want the remote trigger to fire when the change is replicated to the remote site. Alternatively, you can disable replication at the start of the trigger and reenable it at the end of the trigger when modifying rows other than the one that caused the trigger to fire.

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The output of this procedure is stored in two user-created tables.

That is, the master group must be quiesced to modify a replicated object.

You control the compatibility level of a database with the You might have a situation in which you need to modify a replicated object, but you do not want this modification replicated to the other sites in the replication environment.

For example, you might want to disable replication in the following situations: You might need to do this, for example, if you need to correct the state of a record at one site so that a conflicting replicated update will succeed when you reexecute the error transaction.

Or, you might use an unreplicated modification to undo the effects of a transaction at its origin site because the transaction could not be applied at the destination site. REPLICATION_ON; END; END; / If you have defined a replicated trigger on a replicated table, then you might need to ensure that the trigger fires only once for each change that you make.That is, other users currently connected to the same server are not restricted from placing committed changes in the deferred transaction queue. Using this approach, conflict resolution is not invoked.CREATE OR REPLACE PACKAGE update_objects AS PROCEDURE update_emp(adjustment IN NUMBER); END; / CREATE OR REPLACE PACKAGE BODY update_objects AS PROCEDURE update_emp(adjustment IN NUMBER) IS BEGIN --turn off row-level replication for set update DBMS_REPUTIL. Therefore, you must ensure that the changes resulting from the trigger do not affect the consistency of the data.Step 2 Determine if it is necessary to check all rows and columns in the table for differences, or only a subset.



Mar 7, 2011. Queued Updating Changes are sent to a queue. The Queue reader agent pull changes and apply to publisher. It is done with triggers too. Read more on these two at Now, where we can use Transactional replication with updatable subscription?… continue reading »


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