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The AR_SUM_REF_EVENT_HIST table in Oracle E-Business Suite (EBS) 12.1.1 or 12.2.2 is a critical repository for tracking reference event history within the Accounts Receivable (AR) module. This table stores summarized transactional data related to reference events, which are pivotal for maintaining audit trails, reconciliation, and reporting. Below is a detailed breakdown of its structure, purpose, and significance in Oracle EBS.

Purpose and Functional Context

AR_SUM_REF_EVENT_HIST is designed to log summarized reference events, such as payment applications, adjustments, or credit memo applications, which impact customer accounts. It acts as a historical ledger, ensuring traceability for financial audits and compliance. The table is integral to Oracle AR's ability to maintain a granular record of transactional changes without overloading operational tables with excessive detail.

Key Columns and Data Structure

The table typically includes the following key columns:

  • EVENT_ID: A unique identifier for each reference event.
  • CUSTOMER_TRX_ID: Links to the original transaction in RA_CUSTOMER_TRX.
  • REFERENCE_TYPE: Classifies the event (e.g., 'PAYMENT', 'ADJUSTMENT').
  • AMOUNT: The monetary value associated with the event.
  • GL_DATE: The accounting date when the event was posted to the General Ledger.
  • STATUS: Indicates whether the event is completed, pending, or reversed.
  • CREATION_DATE and LAST_UPDATE_DATE: Timestamps for audit purposes.

Integration with Other Modules

AR_SUM_REF_EVENT_HIST interfaces with core AR tables like RA_CUSTOMER_TRX, AR_CASH_RECEIPTS, and AR_ADJUSTMENTS. It also feeds data to GL via the AutoAccounting process, ensuring financial consistency. Reports and reconciliation tools leverage this table to validate transactional integrity across periods.

Technical Considerations

In EBS 12.1.1 and 12.2.2, the table is optimized for read-heavy operations, with indexes on frequently queried columns like EVENT_ID and CUSTOMER_TRX_ID. Partitioning may be employed in large-scale deployments to enhance performance. Customizations or extensions to this table require careful analysis due to its role in financial reporting.

Business Impact

For finance teams, AR_SUM_REF_EVENT_HIST provides a consolidated view of customer account activities, enabling efficient dispute resolution and month-end closing. Its historical data supports trend analysis and forecasting, while compliance teams rely on it for SOX and GAAP audits.

Conclusion

The AR_SUM_REF_EVENT_HIST table is a foundational component of Oracle AR, balancing transactional detail with summarization for performance and compliance. Its design reflects Oracle EBS's emphasis on auditability, integration, and scalability, making it indispensable for organizations leveraging AR functionalities in versions 12.1.1 or 12.2.2.