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Deep Dive into BOM_STRUCTURE_REVISIONS_B in Oracle EBS 12.1.1/12.2.2

The BOM_STRUCTURE_REVISIONS_B table is a critical entity within Oracle E-Business Suite (EBS) 12.1.1 and 12.2.2, specifically designed to manage revision control for Bill of Materials (BOM) structures. As part of Oracle's Manufacturing and Supply Chain modules, this table ensures traceability and versioning of BOM configurations, enabling organizations to maintain historical accuracy and compliance with engineering changes.

Table Purpose and Functional Context

This table serves as the foundation table for BOM revision tracking, storing metadata about revisions applied to BOM structures. It operates in conjunction with BOM_BILL_OF_MATERIALS and BOM_INVENTORY_COMPONENTS tables to form a complete BOM management system. The "_B" suffix denotes it as a base table, with corresponding "_TL" (translated) and "_VL" (view) tables providing multilingual support.

Key Columns and Relationships

  • BILL_SEQUENCE_ID: Primary key linking to BOM_BILL_OF_MATERIALS
  • REVISION_ID: Unique identifier for each revision
  • REVISION_DATE: Effective date of the revision
  • ECN_NUMBER: Engineering Change Notice reference
  • IMPLEMENTATION_DATE: Actual deployment date
  • REVISED_ITEM_SEQUENCE_ID: Tracks component changes

Business Process Integration

The table supports critical manufacturing workflows:

  1. Engineering Change Management: Tracks approved modifications through ECNs
  2. Version Control: Maintains complete revision history for audit trails
  3. Effectivity Management: Controls when revisions become active in production
  4. Regulatory Compliance: Supports traceability requirements (ISO, FDA)

Technical Implementation Details

In Oracle EBS 12.x implementations:

  • Table is populated through BOM APIs (BOM_REVISIONS_PKG)
  • Integrates with Work in Process (WIP) and Costing modules
  • Indexed on BILL_SEQUENCE_ID and REVISION_DATE for performance
  • Subject to Oracle's Application Object Library (AOL) security

Customization Considerations

While the table structure should generally not be modified, common extensions include:

  • Adding descriptive flexfields for industry-specific attributes
  • Creating custom views for reporting purposes
  • Developing triggers for validation logic (with caution)

Upgrade Implications

Between 12.1.1 and 12.2.2, the table structure remained largely consistent, but:

  • New indexes were added in 12.2 for cloud readiness
  • Web ADI integration was enhanced for revision imports
  • REST API support was added for mobile access

Proper understanding of BOM_STRUCTURE_REVISIONS_B is essential for implementing compliant manufacturing systems, particularly in regulated industries where revision control is mandatory. The table's design reflects Oracle's commitment to supporting complex product lifecycle management requirements while maintaining integration with other EBS modules.