Results for conflict resolution


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Streams Concepts and Administration, 11g Release 1 (11.1)

Glossary

conflict resolutionSee 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.

Database Advanced Replication, 11g Release 1 (11.1)

Conflict Resolution Concepts and Architecture

Conflict Resolution ConceptsReplication 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

Database Advanced Replication, 11g Release 1 (11.1)

Master Replication Concepts and Architecture

Conflict Resolution Conceptsit 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

Database Advanced Replication, 11g Release 1 (11.1)

Conflict Resolution Concepts and Architecture

Conflict Resolution ArchitectureVery few architectural mechanisms and processes are visible when implementing conflict resolutionconflict resolution and describes different aspects of Oracle's prebuilt conflict resolution methods … . This section contains these topics: Support Mechanisms Common Update Conflict

Database Advanced Replication, 11g Release 1 (11.1)

Conflict Resolution Concepts and Architecture

Delete Conflict Resolution Methodsdata 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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

6 Configuring Conflict ResolutionThis 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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Timestamp Conflict Resolution Methodselements 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,

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Collecting Conflict Resolution Statisticssuccessful resolution of update, delete, and uniqueness conflicts for a table. The following example

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Preparing for Conflict Resolutionconverges 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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

User-Defined Conflict Resolution Methods

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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Auditing Successful Conflict Resolutionresolution 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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

User-Defined Conflict Resolution Methods

Conflict Resolution Method ParametersThe 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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Viewing Conflict Resolution StatisticsAfter calling REGISTER_STATISTICS for a table, each conflict that is successfully resolved for that

Database Advanced Replication, 11g Release 1 (11.1)

Master Replication Concepts and Architecture

Conflict Resolution MechanismsOracle 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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Minimum and Maximum Conflict Resolution Methodsmaximum 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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Clearing Statistics InformationCanceling 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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Creating Conflict Resolution Methods for Uniqueness Conflictsrow, 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.

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Obtaining OwnershipAfter 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.

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Creating Conflict Resolution Methods for Update ConflictsOracle 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

Database Advanced Replication Management API Reference, 11g Release 1 (11.1)

Configuring Conflict Resolution

Overwrite and Discard Conflict Resolution Methodsfollowing 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





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