Search Results cun_redo_log

Overview

The CUN_REDO_LOG table is a data object within the Oracle E-Business Suite (EBS) module CUN (Network Logistics), specifically part of the obsolete NATS (Network Logistics Transportation System) component. As indicated by its name and description, this table functioned as a redo log table. In the context of application architecture, such tables are typically used to maintain a temporary, auditable record of transactional changes or pending operations before they are finalized or processed into a primary transactional table. Its role was to support data integrity and recovery processes within the logistics operations of the NATS module. Critically, the provided ETRM metadata explicitly states this table is "Not implemented in this database," indicating it is a documented but inactive object in standard EBS 12.1.1 and 12.2.2 deployments.

Key Information Stored

While the full column list is not provided in the metadata, the primary and foreign key relationships reveal its core structure. The table's primary key is CR_PK on the column REDO_LOG_ID, which uniquely identifies each log entry. A central column is CUN_UNIT_ID, which acts as a foreign key linking log entries to specific logistics units. This indicates that the redo log's purpose was to track changes or pending actions related to both serialized and non-serialized inventory units. The data stored likely included timestamps, user identifiers, change type indicators (insert, update, delete), and before/after images of the modified unit data to enable reconstruction of events.

Common Use Cases and Queries

Given its non-implemented status, direct operational use cases in a live environment are non-existent. Historically, its intended use would have been for debugging, audit reporting, and error recovery within transportation logistics workflows. Sample queries would have focused on retrieving pending changes or a history of modifications for a specific unit. A typical pattern might have been: SELECT * FROM CUN_REDO_LOG WHERE CUN_UNIT_ID = <unit_id> ORDER BY REDO_LOG_ID; to trace all log entries for a unit, or a join to fetch unit details: SELECT log.*, unit.* FROM CUN_REDO_LOG log, CUN_SERIALIZED_UNITS unit WHERE log.CUN_UNIT_ID = unit.UNIT_ID AND log.PROCESSED_FLAG = 'N'; to review unprocessed log entries. Reporting would have centered on change audit trails and process monitoring.

Related Objects

The ETRM documentation specifies two primary foreign key relationships for the CUN_REDO_LOG table, both via the CUN_UNIT_ID column. These relationships connect the log entries to the master tables for logistics units:

• CUN_NON_SERIALIZED_UNITS: The CUN_REDO_LOG.CUN_UNIT_ID column references this table, linking log entries to non-serialized inventory items.
• CUN_SERIALIZED_UNITS: The CUN_REDO_LOG.CUN_UNIT_ID column also references this table, linking log entries to serialized inventory items with unique identifiers.

This dual relationship suggests the redo log mechanism was designed to handle transactions for all unit types within the NATS system. The primary key constraint CR_PK on REDO_LOG_ID is the referenced point for any potential child tables (none documented).