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The OE_SELECTED_ITEMS table in Oracle E-Business Suite (EBS) versions 12.1.1 and 12.2.2 is a critical temporary storage structure used within the Order Management (OM) module to facilitate the selection and processing of items during order entry and modification. This table acts as a transient repository, holding item-related data that users select from the Order Organizer or other order entry interfaces before finalizing transactions. Below is a detailed analysis of its purpose, structure, and functional relevance.

Purpose and Functional Context

The OE_SELECTED_ITEMS table serves as a staging area for items selected during order creation or modification. When users search for items in the Order Management forms (e.g., Sales Orders, Returns), the selected items are temporarily stored in this table before being committed to permanent OM tables like OE_ORDER_LINES_ALL. This design ensures efficient handling of bulk operations, validations, and interim processing without directly impacting transactional data until final submission.

Key Columns and Structure

While the exact schema may vary slightly between EBS 12.1.1 and 12.2.2, the table typically includes the following columns:
  • SESSION_ID: Unique identifier linking selections to a user session.
  • LINE_ID: Temporary line ID for the selected item.
  • INVENTORY_ITEM_ID: References MTL_SYSTEM_ITEMS_B to identify the item.
  • ORGANIZATION_ID: Specifies the inventory organization.
  • ORDERED_QUANTITY: Quantity selected for the order.
  • UNIT_OF_MEASURE: UOM for the item.
  • PRICE: Unit price (if applicable).
  • CREATED_BY and CREATION_DATE: Audit columns.
Additional columns may include attributes for pricing, shipping, and customization, depending on configuration.

Integration with Order Management

The table interacts with OM workflows as follows:
  1. Selection Phase: Users query items via Order Organizer, and results populate OE_SELECTED_ITEMS.
  2. Validation: The OM module validates items (e.g., availability, pricing) using this table.
  3. Commitment: Upon order submission, data migrates to permanent tables (OE_ORDER_LINES_ALL, OE_ORDER_HEADERS_ALL).
  4. Cleanup: Temporary records are purged post-processing or session expiry.

Technical Considerations

  • Performance: Indexes on SESSION_ID and LINE_ID optimize query performance during item selection.
  • Concurrency: Session-based isolation prevents conflicts between users.
  • Custom Extensions: Customizations may add columns or triggers, though Oracle discourages direct modifications.

Differences Between 12.1.1 and 12.2.2

In EBS 12.2.2, enhancements to the OM module may introduce minor schema changes, such as additional columns for new features like Advanced Pricing or Drop Shipments. However, the core functionality remains consistent.

Conclusion

The OE_SELECTED_ITEMS table is a pivotal component in Oracle EBS Order Management, enabling efficient item selection and validation. Its transient nature ensures data integrity while supporting complex order workflows. Understanding its structure and behavior is essential for troubleshooting, performance tuning, and customizing OM processes in both EBS 12.1.1 and 12.2.2 environments.