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The GL_IMP_COA_NORM_HIER_INTERFACE table in Oracle E-Business Suite (EBS) 12.1.1 or 12.2.2 serves as a critical interface table for importing and normalizing Chart of Accounts (COA) hierarchy data into the General Ledger (GL) module. This table is part of the Oracle General Ledger's data conversion and integration framework, enabling organizations to efficiently migrate or update COA hierarchies from external systems or legacy applications into Oracle EBS. Below is a detailed breakdown of its purpose, structure, and usage.

Purpose and Functionality

The GL_IMP_COA_NIER_NORM_HIER_INTERFACE table acts as a staging area for COA hierarchy data before it is validated and processed into the Oracle GL system. It supports the normalization of hierarchical relationships between segments, ensuring data integrity and consistency during imports. This table is primarily used in scenarios such as:
  • Data Migration: Transferring COA hierarchies from legacy systems to Oracle EBS.
  • Bulk Updates: Modifying or expanding existing COA structures in bulk.
  • Integration: Synchronizing COA hierarchies with external financial systems.

Key Columns and Structure

The table includes columns that define the hierarchical relationships between COA segments, validation flags, and processing status indicators. Some of the critical columns are:
  • REQUEST_ID: Identifies the import request, linking records to a specific data load.
  • STATUS: Indicates the processing state (e.g., 'PENDING', 'PROCESSED', 'ERROR').
  • PARENT_VALUE and CHILD_VALUE: Define the parent-child relationships between segment values.
  • SEGMENT_NUM: Specifies the segment position in the COA structure.
  • VALIDATION_FLAG: Marks whether the record has passed validation checks.

Data Flow and Processing

The typical workflow involving this table includes:
  1. Data Loading: External data is inserted into GL_IMP_COA_NORM_HIER_INTERFACE via SQL scripts, APIs, or data integration tools.
  2. Validation: Oracle's COA import programs validate the data against predefined rules (e.g., segment lengths, valid parent-child relationships).
  3. Processing: Validated data is transferred to the core GL tables (e.g., GL_CODE_COMBINATIONS, GL_SEGMENT_VALUES).
  4. Error Handling: Records with errors remain in the interface table for correction, flagged by the STATUS and ERROR_MESSAGE columns.

Technical Considerations

  • Performance: Large-scale imports may require indexing or batch processing to optimize performance.
  • Security: Access to this table should be restricted to authorized users due to its role in financial data management.
  • Customization: Organizations may extend the table's functionality with custom validation logic or triggers.

Conclusion

The GL_IMP_COA_NORM_HIER_INTERFACE table is a pivotal component in Oracle EBS for managing COA hierarchy imports. Its design ensures data accuracy and streamline the transition from external systems to Oracle GL. Proper utilization of this table requires an understanding of COA structures, validation rules, and Oracle's data processing workflows. By leveraging this interface effectively, organizations can maintain robust and flexible financial hierarchies within their Oracle EBS environment.