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  • Multidomain MDM 10.3 HotFix 2
  • All Products

Table of Contents

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  1. Introduction
  2. Configuring Hub Console Tools
  3. Building the Data Model
  4. Configuring the Data Flow
  5. Executing Informatica MDM Hub Processes
  6. Configuring Application Access
  7. MDM Hub Properties
  8. Viewing Configuration Details
  9. Search with Solr
  10. Row-level Locking
  11. MDM Hub Logging
  12. Table Partitioning
  13. Collecting MDM Environment Information with the Product Usage Toolkit
  14. Glossary

Configuration Guide

Configuration Guide

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ROWID_OBJECT Survivorship

ROWID_OBJECT Survivorship

When records are merged, the MDM Hub determines which ROWID_OBJECT survives to become the ROWID_OBJECT of the merged record. Survivorship of the ROWID_OBJECT depends on how and where the records are merged. For example, how records survive after a batch merge job is different from how records survive in Informatica Data Director (IDD).
The MDM Hub handles survivorship of the ROWID_OBJECT differently in each of the following scenarios:
Batch Merge Job
During a batch merge job, the MDM Hub considers the consolidation indicator for all records. When a new record (CONSOLIDATION_IND = 4) is matched and merged with a consolidated record (CONSOLIDATION_IND = 1), the consolidated ROWID_OBJECT wins. When two new records with (CONSOLIDATION_IND = 4) are matched, the record with the lowest ROWID_OBJECT wins.
Merge SIF API
When you use the Merge SIF API to merge records, the target ROWID_OBJECT wins. The target is the first record listed in the SIF request.
Informatica Data Director
When you merge records in real time in IDD, the target ROWID_OBJECT wins. The target is the record that displays in the Merge Preview column in the Match Merge Comparison view in IDD.
When you queue records for a merge, the ROWID_OBJECT of the current record that displays in IDD wins. However, survivorship in IDD also depends on the consolidation indicator for base object records. For example, if a record (CONSOLIDATION_IND = 4) is matched and merged with a consolidated record (CONSOLIDATION_IND = 1), the consolidated ROWID_OBJECT wins.
When records are queued for a merge, IDD uses entries from the underlying _MTCH table. So, to know exactly which ROWID_OBJECT survives, view the _MTCH table. The ROWID_OBJECT_MATCHED column lists the surviving ROWID_OBJECT.
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