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The FM_IBOM_DTL table in Oracle E-Business Suite (EBS) 12.1.1 or 12.2.2 is a critical data structure within the Flow Manufacturing (FM) module, specifically associated with the Indented Bill of Materials (IBOM) functionality. This table stores detailed component-level information for indented BOMs, which are hierarchical representations of assemblies and their constituent parts, often used in complex manufacturing environments to streamline production planning and material requirements. ### **Purpose and Functionality** The FM_IBOM_DTL table serves as a repository for component details in an indented BOM structure. Unlike standard BOMs, which list components in a flat structure, indented BOMs provide a multi-level hierarchical view, making it easier to analyze dependencies and material flows. This table works in conjunction with FM_IBOM_HEADER, which stores header-level information such as BOM name, revision, and effective dates. ### **Key Columns and Attributes** The table typically includes the following key columns: - IBOM_HEADER_ID: Foreign key linking to the parent record in FM_IBOM_HEADER. - COMPONENT_ITEM_ID: References the inventory item (from MTL_SYSTEM_ITEMS_B) that serves as a component in the BOM. - OPERATION_SEQ_NUM: Indicates the sequence of operations where the component is used. - USAGE_QUANTITY: Specifies the quantity of the component required per assembly. - COMPONENT_YIELD_FACTOR: Defines the expected yield or scrap factor for the component. - ECO_STATUS: Tracks Engineering Change Order (ECO) status for the component. - EFFECTIVITY_DATE: Determines when the component becomes active in the BOM. - DISABLE_DATE: Marks when the component is phased out of the BOM. ### **Integration with Other Modules** The FM_IBOM_DTL table integrates with several Oracle EBS modules: 1. **Inventory Management (INV)**: Links to MTL_SYSTEM_ITEMS_B for item details. 2. **Engineering (ENG)**: Tracks ECOs and revisions. 3. **Work in Process (WIP)**: Provides component data for shop floor execution. 4. **Cost Management (CST)**: Helps compute material costs based on component usage. ### **Business Process Implications** - **Production Planning**: Facilitates accurate material requirement calculations by detailing component hierarchies. - **Change Management**: Supports ECO tracking to ensure BOM accuracy. - **Costing**: Enables precise cost roll-ups by associating components with parent assemblies. - **Traceability**: Maintains historical records of component changes for compliance and audit purposes. ### **Technical Considerations** - **Indexing**: Performance-critical columns like IBOM_HEADER_ID and COMPONENT_ITEM_ID are typically indexed. - **Partitioning**: In high-volume environments, partitioning by EFFECTIVITY_DATE may improve query performance. - **Data Retention**: Historical records may be archived to optimize table size. ### **Customization and Extensions** Organizations often extend this table with custom columns (via Descriptive Flexfields) to capture additional attributes like supplier-specific data or quality control parameters. However, modifications should be carefully tested to avoid disrupting standard functionality. ### **Conclusion** The FM_IBOM_DTL table is a foundational element in Oracle EBS Flow Manufacturing, enabling granular control over BOM structures. Its integration with inventory, engineering, and production modules ensures seamless material planning and execution, making it indispensable for manufacturers leveraging indented BOMs in Oracle EBS 12.1.1 or 12.2.2.