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conflict resolution → See Also: logical change record (LCR) conflict resolution Handling a conflict to avoid an apply … error. Either prebuilt update conflict handlers or custom conflict handlers can resolve conflicts.
Conflict Resolution Concepts → it is logged at the remote location and, optionally, a conflict resolution method is invoked. When a … purge job, which runs at a user-defined interval. See Also: Chapter 5, \"Conflict Resolution Concepts … hardware. Conflict Resolution Concepts When Oracle replicates a table, any DML
Conflict Resolution Concepts → Replication Conflicts Data Conflicts and Transaction Ordering Conflict Detection Conflict Resolution Techniques for Avoiding Conflicts … update the same row at nearly the same time, a conflict can occur. When you configure a replication … replication conflicts and a conflict occurs, then the system data
Conflict Resolution Architecture → Very few architectural mechanisms and processes are visible when implementing conflict resolution … conflict resolution and describes different aspects of Oracle's prebuilt conflict resolution methods … . This section contains these topics: Support Mechanisms Common Update Conflict
Delete Conflict Resolution Methods → data accuracy can be verified. Delete Conflict Resolution Methods Oracle does not provide any prebuilt … conflicts Oracle Database Advanced Replication Management API Reference to learn how to build conflict avoidance into your replication environment
6 Configuring Conflict Resolution → This chapter illustrates how to define conflict resolution methods for your replication environment … . This chapter contains these topics: Preparing for Conflict Resolution Creating Conflict Resolution … Methods for Update Conflicts Creating Conflict Resolution
Timestamp Conflict Resolution Methods → elements are needed to make time stamp conflict resolution work well: Synchronized time settings … steps to create a time stamp conflict resolution method. Note: If you are viewing this document … resolution method. Before defining time stamp conflict resolution methods,
Collecting Conflict Resolution Statistics → successful resolution of update, delete, and uniqueness conflicts for a table. The following example
Preparing for Conflict Resolution → converges correctly at all sites. Advanced Replication lets you define a conflict resolution system for … situation that Oracle's prebuilt conflict resolution methods cannot resolve, then you have the option … of building and using your own conflict resolution methods. Before you begin
Viewing Conflict Resolution Information → … ALL_REPRESOLUTION Shows more specific information about the conflict resolution method used to resolve conflicts … on each object. ALL_REPPARAMETER_COLUMN Shows which columns are used by the conflict resolution … Oracle provides replication catalog (REPCAT) views that you can use to determine what conflict
Auditing Successful Conflict Resolution → resolution statistics gathering for the table involved in the conflict. See Also: The ALL_REPRESOLUTION_STATISTICS view for more information … Whenever Oracle detects and successfully resolves an update, delete, or uniqueness conflict, you … can view information about what method was used to resolve the conflict by querying
Conflict Resolution Method Parameters → The parameters needed by a user-defined conflict resolution method are determined by the type of … . All conflict resolution methods take some combination of old, new, and current column values for … compare. The conflict resolution function should accept as parameters the values for
Conflict Resolution Mechanisms → Oracle provides a mechanism that enables you to define a conflict resolution method that resolves a data … conflict when detected. Oracle provides several prebuilt conflict resolution methods: Latest and … Group Site Priority If the prebuilt Oracle conflict resolution
Viewing Conflict Resolution Statistics → After calling REGISTER_STATISTICS for a table, each conflict that is successfully resolved for that
Minimum and Maximum Conflict Resolution Methods → maximum value conflict resolution methods, it compares the new value from the originating site with … designate this column when you define your conflict resolution method. If the new value of the … following steps to create an maximum or minimum conflict resolution method. Note: If
Clearing Statistics Information → Canceling Conflict Resolution Statistics Use the CANCEL_STATISTICS procedure in the DBMS_REPCAT … package if you no longer want to collect information about the successful resolution of update, delete … successful resolution of update, delete, and uniqueness conflicts, then you can remove this
Creating Conflict Resolution Methods for Uniqueness Conflicts → row, then you can define a resolution method with Oracle ' s prebuilt conflict resolution methods … . Oracle's prebuilt uniqueness conflict resolution method can make the conflicting value unique by … uniqueness conflict resolution method is a notification facility.
Obtaining Ownership → After locating the owner of the row, the acct_ny site gets ownership from the acct_sf site by completing the following steps: Lock the row at the sf site to prevent any changes from occurring while ownership is being exchanged. This operation ensures that only one site considers itself to be the owner at all times. The update at the sf site should not be replicated using DBMS_REPUTIL.REPLICATION_OFF.
Creating Conflict Resolution Methods for Update Conflicts → Oracle conflict resolution methods to deal with update conflicts that can occur when the same row receives two or more updates. … The most common data conflict occurs when the same row at two or more different sites are updated
Overwrite and Discard Conflict Resolution Methods → following steps to create an overwrite or discard conflict resolution method. This example illustrates the … use of the discard conflict resolution method at the master site. Therefore, in the event of a … you want to apply the conflict resolution method. Before you define overwrite