Tag: GoldenGate

Part 2/5: Zero Downtime Migration (ZDM) – Logical Online Migration using Oracle GoldenGate

Introduction ZDM version 21c supports logical migrations using Oracle GoldenGate. This makes it possible to migrate to Oracle Autonomous Database with zero downtime. This blog post provides a step by step instruction how to accordingly configure ZDM with the minimal parameters required. Data Pump will be used to create the initial load and GoldenGate extract…

Part 1/5: Zero Downtime Migration (ZDM) – Introduction & Installation

Introduction Oracle Zero Downtime Migration (ZDM) is a free to use software solution that allows you to automate your Oracle database migrations from on-premises to Oracle Cloud. Initially, ZDM supported Data Guard based migrations following the principles of Oracle Maximum Availability Architecture (MAA). To support Standard Edition migrations, ZDM uses RMAN backup and restore instead.…

Real-time Data Replication between Oracle Autonomous Databases using Oracle GoldenGate

Introduction Oracle GoldenGate is a software product that allows you to replicate, filter, and transform data from one database to another in real-time. It can be used to migrate databases with (near) zero downtime. As logical replication, source and target databases could be of different versions, platforms, and character sets. Even many non-Oracle databases are supported.…

Part 4/10: Automation Tools and Maximum Availability Architecture Migration Methods

In this part, we will introduce the automation tools and Maximum Availability Architecture (MAA) migration methods. Automation Tools Automation is one of the major benefits of migrating workloads to the cloud. Oracle provides different database migration solutions to even automate the migration process to the cloud. MV2ADB (Move to Autonomous Database) MV2ADB is a command-line tool…