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The CRP_RESOURCE_HOURS
table in Oracle E-Business Suite (EBS) 12.1.1 and 12.2.2 is a critical data structure within the Capacity Requirements Planning (CRP) module, which falls under the Manufacturing and Supply Chain Management (SCM) suite. This table stores detailed resource hour allocations, enabling organizations to plan and optimize resource utilization across production schedules, work orders, and operations. Below is a detailed technical and functional breakdown of its purpose, structure, and integration within Oracle EBS.
Functional Overview
TheCRP_RESOURCE_HOURS
table captures time-phased resource capacity and demand data, serving as a foundation for CRP calculations. It helps organizations:
- Analyze Resource Utilization: Tracks allocated hours per resource (machines, labor, etc.) against available capacity.
- Support CRP Simulations: Stores historical and projected data for "what-if" scenarios to avoid bottlenecks.
- Integrate with MRP and Shop Floor: Links to Material Requirements Planning (MRP) and Work in Process (WIP) modules for end-to-end planning.
Key Columns and Structure
The table's schema includes columns to map resources, time periods, and demand sources. Notable columns:- RESOURCE_ID: Foreign key to
BOM_RESOURCES
, identifying the resource (machine, labor, etc.). - ORGANIZATION_ID: Links to
HR_ORGANIZATION_UNITS
for multi-org support. - SHIFT_DATE: The date of resource allocation, enabling time-phased analysis.
- SHIFT_NUM: Shift identifier (e.g., 1, 2, 3) for granular tracking.
- HOURS: Allocated hours for the resource on the given date/shift.
- DEMAND_SOURCE_TYPE: Classifies demand (e.g., "WIP" for work orders, "MRP" for planned orders).
- DEMAND_SOURCE_ID: References source transactions (e.g.,
WIP_DISCRETE_JOBS
for work orders).
Integration with Other Modules
CRP_RESOURCE_HOURS
interacts with:
- MRP: Pulls planned order data from
MRP_RECOMMENDATIONS
to forecast resource needs. - WIP: Receives actual work order allocations from
WIP_OPERATIONS
. - BOM: References
BOM_RESOURCES
for resource definitions and calendars. - CRP_PLANNING_ENGINE: Populates this table during CRP runs, generating capacity vs. demand reports.
Technical Considerations
- Indexing: Key indexes on
RESOURCE_ID
,SHIFT_DATE
, andORGANIZATION_ID
optimize CRP query performance. - Partitioning: In high-volume environments, partitioning by
ORGANIZATION_ID
or date ranges improves scalability. - Purge Policies: Historical data may be archived via
CRP_PURGE
utilities to maintain performance.
Customization and Extensions
Organizations often extend the table's functionality via:- Triggers: To enforce business rules (e.g., max hours per shift).
- APIs: Custom PL/SQL to integrate with third-party scheduling tools.
- Views: For simplified reporting (e.g.,
CRP_RESOURCE_UTILIZATION_V
).
Conclusion
TheCRP_RESOURCE_HOURS
table is a cornerstone of Oracle CRP, enabling precise resource planning. Its design supports complex manufacturing environments by linking demand sources to capacity constraints, ensuring efficient production scheduling. Proper configuration and maintenance of this table are essential for accurate CRP outcomes and operational efficiency.
-
Concurrent Program: CYRRCP
12.2.2
execution_filename: CYRRCP , product: CRP - Capacity , user_name: CYRRCP , description: CRP Rough Cut Capacity Report , argument_method: Database fetch , enabled: Yes , execution_method: Spawned ,
-
Concurrent Program: CYRRCP2SCP
12.2.2
execution_filename: CYRRCP , product: CRP - Capacity , user_name: CYRRCP , description: CRP Rough Cut Capacity Report , argument_method: Database fetch , enabled: Yes , execution_method: Spawned ,
-
Concurrent Program: CYRRCPSCP
12.2.2
execution_filename: CYRRCP , product: CRP - Capacity , user_name: CYRRCP , description: CRP Rough Cut Capacity Report , argument_method: Database fetch , enabled: Yes , execution_method: Spawned ,
-
Table: CRP_RESOURCE_HOURS
12.1.1
owner:CRP, object_type:TABLE, fnd_design_data:CRP.CRP_RESOURCE_HOURS, object_name:CRP_RESOURCE_HOURS, status:VALID, product: CRP - Capacity , description: Results of the rollup for rough cut capacity , implementation_dba_data: CRP.CRP_RESOURCE_HOURS ,
-
Table: CRP_RESOURCE_HOURS
12.2.2
owner:CRP, object_type:TABLE, fnd_design_data:CRP.CRP_RESOURCE_HOURS, object_name:CRP_RESOURCE_HOURS, status:VALID, product: CRP - Capacity , description: Results of the rollup for rough cut capacity , implementation_dba_data: CRP.CRP_RESOURCE_HOURS ,
-
Concurrent Program: CYRRCP
12.1.1
execution_filename: CYRRCP , product: CRP - Capacity , user_name: CYRRCP , description: CRP Rough Cut Capacity Report , argument_method: Database fetch , enabled: Yes , execution_method: Spawned ,
-
Concurrent Program: CYRRCP2
12.1.1
execution_filename: CYRRCP , product: CRP - Capacity , user_name: CYRRCP , description: CRP Rough Cut Capacity Report , argument_method: Database fetch , enabled: Yes , execution_method: Spawned ,
-
Concurrent Program: CYRRCP2
12.2.2
execution_filename: CYRRCP , product: CRP - Capacity , user_name: CYRRCP , description: CRP Rough Cut Capacity Report , argument_method: Database fetch , enabled: Yes , execution_method: Spawned ,
-
Concurrent Program: CYRRCP2SCP
12.1.1
execution_filename: CYRRCP , product: CRP - Capacity , user_name: CYRRCP , description: CRP Rough Cut Capacity Report , argument_method: Database fetch , enabled: Yes , execution_method: Spawned ,
-
Concurrent Program: CYRRCPSCP
12.1.1
execution_filename: CYRRCP , product: CRP - Capacity , user_name: CYRRCP , description: CRP Rough Cut Capacity Report , argument_method: Database fetch , enabled: Yes , execution_method: Spawned ,