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The WMS_ORG_HIERARCHY_OBJS table in Oracle E-Business Suite (EBS) 12.1.1 or 12.2.2 is a critical data structure within the Warehouse Management System (WMS) module. It serves as a repository for organizational hierarchy objects, enabling the logical grouping and management of inventory organizations, subinventories, and other warehouse entities. This table plays a pivotal role in defining the hierarchical relationships between different warehouse entities, facilitating efficient inventory control, reporting, and operational workflows.

Key Attributes and Structure

The WMS_ORG_HIERARCHY_OBJS table typically contains the following key columns:
  • ORG_HIERARCHY_ID: A unique identifier for the organizational hierarchy.
  • OBJECT_TYPE: Specifies the type of object (e.g., inventory organization, subinventory, locator).
  • OBJECT_ID: The unique identifier of the object within the hierarchy.
  • PARENT_OBJECT_ID: References the parent object in the hierarchy, establishing relationships.
  • ENABLED_FLAG: Indicates whether the object is active within the hierarchy.
  • CREATION_DATE and LAST_UPDATE_DATE: Audit columns tracking record creation and modification.

Functional Role in WMS

The table supports several core WMS functionalities:
  1. Hierarchy Management: Defines parent-child relationships between inventory entities, enabling multi-level warehouse structures.
  2. Access Control: Facilitates security by restricting user access to specific hierarchy nodes.
  3. Reporting Aggregation: Allows roll-up reporting across hierarchical levels for inventory analysis.
  4. Process Automation: Enables batch processing rules to be applied hierarchically across warehouse objects.

Integration Points

The table integrates with several Oracle EBS modules:
  • Inventory: Links to MTL_PARAMETERS for organization definitions.
  • Warehouse Management: Integrates with WMS_ORG_HIERARCHIES for hierarchy definitions.
  • Order Management: Supports fulfillment rules based on warehouse hierarchies.

Technical Considerations

The table is typically:
  • Populated through WMS administration screens or batch processes.
  • Accessed via Oracle APIs for hierarchy maintenance.
  • Indexed on key columns like ORG_HIERARCHY_ID and OBJECT_ID for performance.

Version-Specific Notes

Between 12.1.1 and 12.2.2:
  • 12.2.2 may include additional columns for cloud readiness.
  • The basic hierarchy functionality remains consistent across versions.
  • 12.2.2 may offer enhanced APIs for hierarchy management.

Best Practices

When working with this table:
  1. Always use Oracle-provided APIs for modifications.
  2. Maintain referential integrity with related tables.
  3. Consider performance impacts when designing deep hierarchies.
  4. Regularly validate hierarchy structures through WMS utilities.
The WMS_ORG_HIERARCHY_OBJS table thus serves as a foundational element for warehouse organization management in Oracle EBS, enabling complex warehouse structures while maintaining data integrity and supporting critical WMS processes.