Search Results msc_operation_resource_seqs




Overview
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Overview

The MSC_OPERATION_RESOURCE_SEQS table is a core data structure within the Oracle E-Business Suite Advanced Supply Chain Planning (ASCP) module. It functions as a detailed repository for the sequenced resources required to perform each operation within a manufacturing or process routing. This table is critical for the planning engine's capacity and resource scheduling calculations, as it defines the specific resources, their order of use, and their association with parent routing operations. The data stored here is typically sourced from the transactional Oracle Bills of Material (BOM) and Work in Process (WIP) modules and is loaded into the MSC schema during the planning data snapshot process to serve as a foundation for constrained and unconstrained planning runs.

Key Information Stored

The table's primary key uniquely identifies a resource sequence for a specific operation within a plan. The key columns are PLAN_ID, which identifies the specific planning scenario; ROUTING_SEQUENCE_ID, which references the master routing; SR_INSTANCE_ID, representing the source organization instance; OPERATION_SEQUENCE_ID, linking to the specific operation; and RESOURCE_SEQ_NUM, which denotes the order of the resource within that operation. While the provided metadata focuses on these key and foreign key columns, typical implementations would also include additional attributes such as the RESOURCE_ID, usage rate or amount, basis (like 'Item' or 'Lot'), and scheduling flags (like critical resource indicators) that detail how the resource is applied during the operation.

Common Use Cases and Queries

This table is primarily accessed for resource capacity analysis, bottleneck identification, and detailed scheduling inquiries within the planning context. A common reporting use case involves listing all resources for operations of a specific item to understand resource load. A typical analytical query would join this table to its parent operations and resources to calculate total required hours per resource for a given plan. For troubleshooting, planners or analysts might query this table to validate that all expected operation resources were correctly snapped into the planning repository from the source transactional systems.

  • Identifying resource sequences for a critical operation: SELECT * FROM msc_operation_resource_seqs WHERE plan_id = :p_plan_id AND operation_sequence_id = :p_op_seq_id ORDER BY resource_seq_num;
  • Aggregating resource requirements across a plan: SELECT resource_id, SUM(required_quantity) FROM msc_operation_resource_seqs WHERE plan_id = :p_plan_id GROUP BY resource_id;

Related Objects

The MSC_OPERATION_RESOURCE_SEQS table sits at the center of a key relationship hierarchy within the planning schema. It has documented foreign key relationships with three primary tables, as per the provided metadata.

  • MSC_ROUTING_OPERATIONS: This is the parent table. Each row in MSC_OPERATION_RESOURCE_SEQS must correspond to a valid operation defined in MSC_ROUTING_OPERATIONS, joined on PLAN_ID, ROUTING_SEQUENCE_ID, SR_INSTANCE_ID, and OPERATION_SEQUENCE_ID.
  • MSC_OPERATION_RESOURCES: This table holds the detailed definition and attributes for each resource. The relationship ensures the sequenced resource references a valid master resource definition, using the same key columns plus RESOURCE_SEQ_NUM.
  • MSC_RESOURCE_REQUIREMENTS: This dependent table stores the time-phased resource requirements generated by the planning engine. It references the resource sequence definition in MSC_OPERATION_RESOURCE_SEQS via PLAN_ID, ROUTING_SEQUENCE_ID, SR_INSTANCE_ID, OPERATION_SEQUENCE_ID, and RESOURCE_SEQ_NUM.