Search Results ahl_item_groups_b




Overview
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Overview

The AHL_ITEM_GROUPS_B table is a core data object within the Oracle E-Business Suite module for Complex Maintenance, Repair, and Overhaul (CMRO). It serves as the master definition table for item groups, a fundamental concept in managing complex assemblies and serviceable units. In the context of CMRO, an item group is a logical collection of inventory items or other item groups, designed to be referenced as a single, reusable entity within maintenance structures, such as positions in a unit configuration or material requirements for a routing operation. This abstraction allows for efficient modeling of interchangeable parts, kits, or standard sub-assemblies that can be utilized multiple times across different maintenance definitions, promoting data consistency and reducing redundant data entry.

Key Information Stored

The table's primary column is the ITEM_GROUP_ID, a unique system-generated identifier serving as the primary key for all related records. The NAME column is a mandatory, unique identifier for the item group, enforced by the AHL_ITEM_GROUPS_B_UK1 unique key constraint. While the provided ETRM excerpt lists only these core structural columns, a typical Oracle Applications table in this context would also include standard WHO columns (CREATION_DATE, CREATED_BY, LAST_UPDATE_DATE, LAST_UPDATED_BY, LAST_UPDATE_LOGIN) for auditing, and a set of descriptive flexfield columns to capture custom attributes. The core business data stored is the association between a unique group identifier and its user-defined name.

Common Use Cases and Queries

The primary use case is the creation and management of reusable part groupings for maintenance processes. For instance, a "Landing Gear Hydraulic Seal Kit" could be defined as an item group containing several individual seal part numbers. This group can then be assigned to multiple aircraft model positions or specified as a material requirement in standard repair operations. Common queries involve identifying where a specific item group is referenced or listing all groups for reporting. A sample SQL pattern to find all item groups and their associated configuration details would be:

Reporting often focuses on the usage frequency of item groups across maintenance definitions to analyze part commonality and standardization.

Related Objects

The AHL_ITEM_GROUPS_B table is central to the CMRO data model, with several key objects referencing its primary key. As per the metadata, its ITEM_GROUP_ID is a foreign key in: AHL_ITEM_COMP_DETAILS (for unit configuration positions), AHL_MC_RELATIONSHIPS and AHL_RELATIONSHIPS_B (for modeling relationships between maintenance constructs), AHL_RT_OPER_MATERIALS (for routing operation materials), and the history table AHL_ITEM_GROUPS_B_H. It also has a direct relationship with the translation table, AHL_ITEM_GROUPS_TL, which stores the translated NAME values for multilingual implementations. This network of relationships underscores the table's role as a shared master data source for item groups throughout the maintenance lifecycle.