Case Study
- Order Spikes Analysis
- Product Data Hub Implementation
- EXADATA Hardware Migration - X9 to X10
- Legacy System Migration to Oracle with Golden Gate
- Migration of PeopleSoft HCM to Workday HCM
- Standardizing Item, UOM and XRef Processes with EBS
- EBS Item-Vendor Sync Resolution
- PlannerSync PDH
- Dynamic System Integration
- Agile OU Operations
- IaC Enablement Process
- Oracle EBS Optimization Initiative
- Security Patching with Ansible
- Automated Patch Management
- MC Product Hub
- Scalable Division Setup Without Hard Coding
- Data Cleanup
- Multi Unit Integration Under Single Responsibility
- CDH Enablement for Grocery
- OMS Online
- SourceLink, UAM, MESA - Angular and Java
- SailPoint IIQ
- QA Test Automation
- Devops
- Optimizing Testing Strategies in the LedgerIQ
- Java Revamp
- Enhancing Academic Efficiency Through Digitization
- API Management
- OMS Batch Modernization
- Linux Server Automation with Ansible
- Securing Servers through Standardized Hardening
- Azure Recoverability Initiative
- DC Ops Analytics
- Katalon Automation
- Linux Administration
- Leveraging AI in IoT Systems
- Intelligent Discrepancy Resolution Assistant
- AI-Driven Supply Chain Anomaly Detection and Risk Insights
- AI-Driven Traceability Platform
Legacy System Migration to Oracle with Golden Gate
This case study outlines the migration of legacy systems to the latest Oracle version using Oracle Golden Gate. The process involves real-time data replication between Oracle, Mainframe and other systems, ensuring minimal downtime and data integrity.
Golden Gate facilitates seamless data transfer, supporting both homogeneous and heterogeneous systems. Key features include data extraction, trail file management and distribution services for smooth migration. This solution enhances system availability, scalability and performance.
Problem
Statement
The migration of legacy systems to the latest Oracle version requires a seamless data transfer process. To achieve this, Golden Gate technology is being utilized for real-time data replication. Data is being migrated through three key replication methods: Mainframes to Oracle, Oracle to Oracle and Oracle to Mainframes. The source data originates from various systems, including Manhattan, the Cigarette Warehouse System, the Labour Management System and Mainframe and is transferred accurately to the OMS destination systems. This ensures data integrity, accuracy and minimal downtime during the migration process.
Solution
Proposed
Oracle Golden Gate Implementation
What: Oracle Golden Gate is a replication tool that enables real-time data transfer between source and target databases, including transactional data.
Why: Golden Gate facilitates seamless data movement between homogeneous (Oracle to Oracle) and heterogeneous (Oracle to Mainframe or other RDBMS databases) systems with zero downtime.
Replication Process
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Data replication is established between Oracle to Oracle, Mainframe to Oracle and Oracle to Mainframe.
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Extracts and Replicate: Extract processes capture changes from the
source database, while Replicate processes apply those changes to the target database.
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Trail Files: Data is stored in trail files at both source and target locations, which are transferred over the network.
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Logging Mechanism: Table-level logging and supplemental logging enable transactional data to be recorded in trail files.
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Distribution Service: Heterogeneous databases use a distribution service for seamless trail file transfer to target systems.
Process Workflow
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Extract: Captures changes from the source database and stores them in a trail file on the hub server.
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Replicate: Applies changes from the trail file to the target database, ensuring data synchronization.
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Data Pump/Distribution Service: Transfers trail files between GoldenGate
environments, facilitating replication between the hub server and I-Series GoldenGate.
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Initial Load (Optional): A one-time data transfer process to sync source and target
tables before replication begins. If both tables are initially empty, they remain in sync after the process.
Business
Values
01
High Availability & Scalability Oracle Golden Gate ensures continuous data transfer with zero downtime, improving system scalability and availability.
02
Real-Time Data Movement Data is replicated in real-time, reducing latency and enhancing performance.
03
Multi-Database Support Golden Gate enables replication across Oracle and other database systems, including Mainframe, ensuring smooth data migration.