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The HZ_IMP_DUP_PARTIES table in Oracle E-Business Suite (EBS) versions 12.1.1 and 12.2.2 is a critical component of the Trading Community Architecture (TCA) module, specifically designed to manage duplicate party identification during data import processes. This table serves as a staging area for potential duplicate party records before they are either merged or resolved within the system. Understanding its structure, purpose, and integration within Oracle EBS is essential for effective data governance and master data management.

Purpose and Functional Overview

The HZ_IMP_DUP_PARTIES table is primarily used during the party import process to store potential duplicate records identified by the system's duplicate detection engine. When importing party data through interfaces like Customer Interface (RA_CUSTOMERS_INTERFACE) or Trading Community Import (TCI), Oracle TCA performs duplicate checks based on configurable matching rules. Records flagged as potential duplicates are written to this table for further review before final processing.

Key Columns and Data Structure

The table contains several important columns that facilitate duplicate management:
  • BATCH_ID: Links records to a specific import batch
  • ORIG_SYSTEM_REFERENCE: Unique identifier from the source system
  • PARTY_ID: Internal Oracle party identifier (if matched to existing record)
  • STATUS: Indicates the duplicate resolution state (e.g., 'PENDING', 'PROCESSED')
  • MATCH_SCORE: Numeric value representing the confidence level of the duplicate match
  • DUPLICATE_ID: References the existing duplicate party record

Integration with TCA Components

The table interacts with several core TCA components:
  1. Duplicate Identification Engine: Uses matching rules defined in HZ_MATCH_RULES to populate this table
  2. Trading Community Import: References the table during the import validation phase
  3. Party Merge Process: Provides input for the merge wizard when resolving duplicates

Operational Workflow

The typical workflow involving this table includes:
  1. Data is loaded into staging tables through appropriate interfaces
  2. The system executes duplicate checks against existing TCA parties
  3. Potential duplicates are written to HZ_IMP_DUP_PARTIES with match details
  4. Administrators review and resolve duplicates through dedicated screens
  5. Validated records proceed to final import into base TCA tables

Technical Considerations

Implementation teams should note:
  • The table is populated during the HZ_DQM_SYNC.process_duplicates procedure execution
  • Custom matching rules can be configured to adjust duplicate sensitivity
  • Performance may be impacted during large imports with complex matching rules
  • Records should be purged after processing to maintain system performance

Version-Specific Notes

Between 12.1.1 and 12.2.2, the table structure remains largely consistent, though 12.2.2 may include additional columns for enhanced duplicate management features introduced in later releases. The fundamental duplicate resolution workflow remains unchanged across these versions.

Best Practices

For optimal use of this table:
  • Regularly monitor and resolve pending duplicates to prevent data quality issues
  • Configure matching rules appropriate to your business requirements
  • Consider implementing automated duplicate resolution where appropriate
  • Include the table in your data purge strategies for interface tables
The HZ_IMP_DUP_PARTIES table represents a crucial control point in maintaining data integrity within Oracle EBS TCA, serving as the gatekeeper between imported data and the clean party master repository.