Search Results msc_bom_components




The MSC_BOM_COMPONENTS table in Oracle E-Business Suite (EBS) versions 12.1.1 and 12.2.2 is a critical data structure within the Manufacturing and Supply Chain (MSC) module. It serves as a repository for bill of materials (BOM) component details, enabling the system to manage hierarchical product structures, material requirements planning (MRP), and supply chain analytics. This table is primarily utilized by Oracle Advanced Supply Chain Planning (ASCP) and other planning engines to optimize production scheduling, procurement, and inventory management.

Table Structure and Key Columns

The MSC_BOM_COMPONENTS table contains metadata and transactional data related to BOM components. Key columns include:
  • COMPONENT_SEQUENCE_ID: A unique identifier for each component entry.
  • BILL_SEQUENCE_ID: References the parent BOM structure in MSC_BOMS.
  • COMPONENT_ITEM_ID: Links to the inventory item in MSC_ITEMS.
  • OPERATION_SEQ_NUM: Specifies the manufacturing operation sequence where the component is consumed.
  • USAGE_QUANTITY: Defines the quantity of the component required per assembly unit.
  • EFFECTIVITY_DATE and DISABLE_DATE: Control the active period of the component in the BOM.
  • PLANNING_FACTOR: Used for yield or scrap calculations during planning.

Functional Role in Oracle EBS

The table supports multiple critical processes:
  1. BOM Explosion: During MRP runs, the system recursively queries MSC_BOM_COMPONENTS to determine dependent demand for raw materials and subassemblies.
  2. Supply-Demand Matching: ASCP uses component data to align material availability with production schedules.
  3. Alternate Component Analysis: The table stores attributes enabling substitution logic for alternate components during shortages.
  4. Cost Rollup: Component quantities feed into product cost calculations in Cost Management.

Integration Points

MSC_BOM_COMPONENTS integrates with several Oracle EBS modules:
  • Inventory (INV): Item definitions from MTL_SYSTEM_ITEMS are referenced via COMPONENT_ITEM_ID.
  • Engineering (ENG): Synchronizes with BOM_COMPONENTS_B for engineering BOMs.
  • Work in Process (WIP): Component requirements are pushed to shop floor execution systems.
  • Demantra: Provides component-level data for demand sensing and collaborative planning.

Technical Considerations

In Oracle EBS 12.2.2, the table benefits from performance optimizations like:
  • Partitioning strategies for large-scale implementations.
  • Enhanced indexing on BILL_SEQUENCE_ID and COMPONENT_ITEM_ID.
  • Materialized view support for ASCP aggregate calculations.

Customization and Extensions

Implementers often extend the table's functionality through:
  • Custom columns for industry-specific attributes (e.g., pharmaceutical batch tracking).
  • Triggers to enforce business rules during BOM maintenance.
  • APIs like MSC_BOM_PUB for programmatic BOM updates.

Data Maintenance

The table is populated through:
  1. Standard BOM import programs from legacy systems.
  2. Real-time updates via Oracle Bills of Material module.
  3. Batch synchronization from BOM_COMPONENTS_B in transactional schemas.
This table's design reflects Oracle's commitment to supporting complex manufacturing scenarios while maintaining integration with the broader EBS ecosystem. Proper understanding of MSC_BOM_COMPONENTS is essential for implementing efficient supply chain planning solutions in Oracle EBS environments.