Search Results ahl_rt_oper_labor_h_pk

Overview

The AHL_RT_OPER_LABOR_H table is a history table within the Oracle E-Business Suite (EBS) Complex Maintenance, Repair, and Overhaul (CMRO) module. Its primary function is to maintain a historical record of changes made to labor assignments for operations within a maintenance route. This table is a critical component for auditability and compliance, capturing the evolution of labor resource planning over time. It directly supports the AHL product's core functionality of managing detailed maintenance, repair, and overhaul processes by preserving the state of operational labor data before updates or deletions occur in the primary transactional table, AHL_RT_OPER_LABOR.

Key Information Stored

While the specific column list is not detailed in the provided metadata, the structure and foreign key relationships define its core data. The table's primary key, RT_OPER_LABOR_H_ID, uniquely identifies each historical record. The most significant columns are the foreign keys that link the history entry to its source data: RT_OPER_LABOR_ID references the original record in the AHL_RT_OPER_LABOR table, and OBJECT_ID provides a link to the associated maintenance route (AHL_ROUTES_B) or operation (AHL_OPERATIONS_B). The table will also contain a snapshot of the labor assignment data from AHL_RT_OPER_LABOR, such as labor resource details, estimated hours, and skill requirements, along with standard audit columns (e.g., CREATION_DATE, LAST_UPDATE_DATE, LAST_UPDATED_BY) to track when and by whom the historical record was created.

Common Use Cases and Queries

This table is primarily used for historical analysis, auditing, and reporting on labor resource planning changes. Common scenarios include generating audit trails for regulatory compliance, analyzing trends in labor estimates for specific operations or routes over time, and troubleshooting data integrity issues by reviewing the sequence of changes. A typical query would join this history table to the route or operation tables to produce a time-series report.

• Sample Query Pattern: SELECT h.*, r.ROUTE_NAME FROM AHL_RT_OPER_LABOR_H h, AHL_ROUTES_B r WHERE h.OBJECT_ID = r.ROUTE_ID AND r.ROUTE_NAME = '<Route_Name>' ORDER BY h.CREATION_DATE;
• Reporting Use Case: Reporting on all modifications made to labor assignments for a critical maintenance operation to understand planning adjustments and their timing.

Related Objects

The AHL_RT_OPER_LABOR_H table has defined dependencies on several core CMRO transactional tables, as documented by its foreign key constraints.

• AHL_RT_OPER_LABOR: The primary transactional table. The history record is sourced from here via the foreign key column AHL_RT_OPER_LABOR_H.RT_OPER_LABOR_ID.
• AHL_ROUTES_B: The base table for maintenance routes. The history record links to a specific route via the foreign key column AHL_RT_OPER_LABOR_H.OBJECT_ID.
• AHL_OPERATIONS_B: The base table for maintenance operations. The history record can also link to a specific operation via the same AHL_RT_OPER_LABOR_H.OBJECT_ID column, indicating the context of the labor assignment.