Search Results child_item_id

Overview

The IGS_CO_COV_LTR_RELS table is a core data object within the Oracle E-Business Suite (EBS) Student System (IGS) module, specifically for versions 12.1.1 and 12.2.2. Its primary function is to maintain hierarchical relationships between document templates generated during a preview operation. This table acts as a relational repository, tracking which templates are derived from others, thereby enabling the system to manage complex document generation workflows where a base template can spawn multiple related child or parent versions during processing and review cycles.

Key Information Stored

The table's structure is defined by a concise set of columns that establish these template relationships. Its primary key is a composite of three columns, ensuring a unique relationship definition. The critical columns are:

• PARENT_ITEM_ID: Stores the identifier for the template that acts as the source or predecessor in the relationship.
• CHILD_ITEM_ID: Stores the identifier for the template that is derived from or created based on the parent template.
• BASE_ITEM_ID: Likely stores the identifier for the original or root template from which the entire hierarchy may have originated, providing a point of reference for the relationship chain.

The presence of these three ID columns suggests the table can model not just simple parent-child links but potentially more complex genealogies of template versions.

Common Use Cases and Queries

This table is essential for auditing template history and understanding document lineage. A primary use case is tracing all derivatives of a specific template. For instance, to find all child templates generated from a known parent template ID (e.g., 1000), one would execute:

SELECT child_item_id FROM igs_co_cov_ltr_rels WHERE parent_item_id = 1000;

Conversely, to find the parent of a specific child template (ID 2000), the query would be:

SELECT parent_item_id FROM igs_co_cov_ltr_rels WHERE child_item_id = 2000;

Reporting on the full hierarchy for a base template is another critical scenario, often requiring a hierarchical or recursive SQL query starting from the BASE_ITEM_ID. System processes also query this table during document generation to validate template relationships and ensure the correct version is being processed.

Related Objects

The IGS_CO_COV_LTR_RELS table is central to the Student System's document generation framework. It is directly referenced by its primary key constraint, IGS_CO_COV_LTR_RELS_PK. The table's foreign key relationships, while not detailed in the provided metadata, would logically connect to the core template or item master table(s) within the IGS module, where the detailed definitions for the PARENT_ITEM_ID, CHILD_ITEM_ID, and BASE_ITEM_ID values are stored. Application logic in PL/SQL packages or APIs responsible for the "preview" functionality would insert records into this table and query it to manage template relationships.