With GoldenGate, businesses can replicate data from one database to another. This article states easy tips, tricks, and steps involved in setting up Oracle GoldenGate Replication including satisfying prerequisites, creating a user, and granting permissions. Installing and configuring Oracle GoldenGate, instantiating and starting replication, configuring source and target extract processes. This Cloud Service is an important tool for businesses that require real-time data synchronization and integration across multiple systems and platforms.
Oracle GoldenGate Replication
Oracle GoldenGate is a popular software for real-time data integration and replication between heterogeneous systems. Real-time data integration and replication across heterogeneous systems is made possible by Oracle GoldenGate, a software product for data replication and integration. Businesses are allowed to manage and move data between different databases, platforms, and environments. A wide range of databases, operating systems, and platforms support Oracle GoldenGate. Including Oracle Database, IBM DB2, Microsoft SQL Server, and Sybase.
Oracle GoldenGate is a data replication and integration software product offered by Oracle. Oracle GoldenGate Replication offers a range of features designed to facilitate real-time data synchronization and replication between different databases and platforms.
Features of Oracle GoldenGate
Some of its key features include:
#1. Heterogeneous Replication
Users can duplicate data across many contexts with GoldenGate’s support for replication between several database platforms. Such as Oracle to Microsoft SQL Server or MySQL.
#2. Real-Time Data Capture
GoldenGate captures and replicates changes immediately after they occur in the source database’s transaction logs. This ensures real-time data synchronization between the source and target.
#3. High Availability and Disaster Recovery
By maintaining synchronized copies of the data. GoldenGate provides active-active and active-passive replication configurations that enable high availability and disaster recovery solutions.
#4. Bidirectional Replication
GoldenGate can be set up to offer bidirectional replication, allowing changes to go between two databases in both directions. This is useful for data consolidation or distributed systems.
#5. Data Transformation and Filtering
GoldenGate provides powerful data transformation and filtering capabilities. It allows users to selectively replicate data, modify column values, and map data between source and target structures.
#6. Conflict Detection and Resolution
When the same data is changed on both ends, GoldenGate can identify and settle disagreements in a bidirectional replication setup.
#7. DDL Replication
GoldenGate can replicate structural changes (DDL statements) made to the source database, ensuring that schema modifications are propagated to the target database.
#8. Integrated Capture
With integrated capture mode, which GoldenGate provides for Oracle databases, updates are directly captured from the database redo logs. This lowers the burden on the source database.
#9. Comprehensive Monitoring and Management
The GoldenGate Management Pack provides monitoring and management tools to track replication performance, lag, and overall health of the replication environment.
#10. Security and Encryption
GoldenGate supports data encryption. It ensures that data transmitted between source and target databases remains secure. It also integrates with database security features.
#11. Parallelism and Scalability
GoldenGate allows you to configure parallel Extract and Replicat processes to enhance data throughput and reduce replication latency.
#12. Flexible Topologies
GoldenGate supports a variety of replication topologies, including one-to-one, one-to-many, and many-to-one, accommodating different business requirements.
#13. Customization and Extensibility
You can use user exits and custom scripts to extend GoldenGate’s functionality, enabling integration with other systems and performing custom data transformations.
Setting Up Oracle Goldengate Replication
Configuring Oracle GoldenGate Replication entails enabling real-time data replication and integration between diverse systems. The process involves specifying the source and target databases. Then configuring the necessary settings and parameters for data capture, transformation, and delivery. Once the setup is complete, GoldenGate will continuously capture changes from the source database and replicate them in real time to the target database, ensuring that both databases remain in sync.
Steps In Setting Up Oracle Goldengate Replication
Here is a step-by-step method for setting up Oracle GoldenGate Replication:
#1. Prerequisites
Ensure that you have the Oracle Database installed, basic knowledge of Oracle, two different servers on the Oracle database, and Oracle GoldenGate setup.
#2. Creating a User and Granting Permissions
Create a new user and grant necessary permissions to it. Connect to the newly created user and create a new table.
#3. Installing Oracle GoldenGate and Granting Permissions
Install Oracle GoldenGate and create a GoldenGate admin user for both the source and target databases. Configure the replicate file.
#4. Instantiating and Starting Oracle GoldenGate Replication
Satisfy prerequisites for instantiation, configure the initial load, and add change-capture and change-delivery processes. Perform the target instantiation, and monitor processing after the instantiation.
#5. Using Oracle GoldenGate for Real-Time Data Integration
Set up replication between databases by creating and configuring at least one Extract and Replicat group.
#6. Understanding What’s Supported
Be aware of the requirements and limitations of using Oracle GoldenGate with Amazon RDS for Oracle.
#7. Zero downtime Database Upgrade Using Oracle GoldenGate
Set up a single Oracle GoldenGate Integrated Capture (Extract) process.
#8. Configure Source and Target Extract Processes
Configure an extract process on the source database to capture changes from the source database and send them to the target database. Also configure a replication process on the target database to apply the changes received from the source database.
#9. Configure Data Mapping
Configure the data mapping between the source and target databases, including mapping table and column names, data types, and transformations.
#10. Configure Filters
Configure filters to include or exclude specific data from replication based on source table names, column values, and other criteria.
#11. Start the Replication Processes
Start the extract and replicate processes on the source and target databases, to begin the replication of data between the two databases.
#12. Monitor and Manage Replication
Monitor the replication processes to ensure they are running smoothly and troubleshoot any issues that may arise. Use the GoldenGate Monitor tool to monitor and manage the replication processes.
#13. Perform Switchover and Failover
In the event of a planned or unplanned outage, perform a switchover or failover to switch the replication from the primary to the secondary database.
Oracle Goldengate Cloud Service
Oracle GoldenGate Cloud Service is a managed service provided by Oracle that enables real-time data integration and replication between heterogeneous systems. It allows users to replicate data from on-premises sources to cloud applications, or between cloud applications, in real time. GoldenGate Cloud Service is a fully managed service that helps data engineers move data in real-time, at scale, from one or more data management systems to Oracle Cloud.
Importance of Oracle Goldengate Cloud Service
Here are some importance of Oracle GoldenGate Cloud Service:
#1. Real-time Data Replication
With the help of the GoldenGate Cloud Service, users may maintain their data’s high availability and accessibility between diverse platforms in real time.
#2. Scalable and Flexible
GoldenGate Cloud Service is highly scalable and flexible. This makes it suitable for a wide range of use cases, including data migration, data integration, and real-time analytics.
#3. Microservices Architecture
The microservices architecture used by GoldenGate Cloud Service enables remote configuration, administration, and monitoring via HTM5 web pages, command lines, and APIs.
#4. Secure
GoldenGate Cloud Service provides fully-secure HTTPS interfaces and secured Websockets. This ensures the security of the data being replicated.
#5. Integration with Oracle Cloud
GoldenGate Cloud Service can replicate data to Oracle Cloud services. Including Autonomous Data Warehouse Cloud Service and Autonomous Transaction Processing. It makes it easy to move data to the cloud.
#6. GoldenGate Studio
A drag-and-drop procedure is used in GoldenGate Studio, a graphical user interface that comes with GoldenGate Cloud Service and builds configurations from templates. It enables the design and deployment of high-volume, real-time replication by handling table and column mappings.
#7. Integration with Third-Party Tools
GoldenGate Cloud Service integrates with various third-party tools. Including Oracle Data Integrator, Oracle Enterprise Manager, and Oracle Management Cloud. Users can leverage their existing tools for data integration and management.
#8. Conflict Detection and Resolution
Users can recognize and resolve conflicts that may develop when replicating data across various systems using the conflict detection and resolution technologies included in the GoldenGate Cloud Service.
#9. Real-time Data Streaming
GoldenGate Cloud Service streams data in real-time to various targets. Including Kafka, HDFS, and NoSQL databases. Users can use this real-time data for analytics and decision-making.
#10. High Availability and Disaster Recovery
Users can duplicate data to several targets using GoldenGate Cloud Service’s high availability and disaster recovery features. It guarantees that their data is constantly accessible.
What Is Golden Gate Replication In Oracle?
Oracle GoldenGate is a tool for replicating and capturing real-time change data. To push these files to the destination database, Oracle GoldenGate first creates trail files from the source database that include the most recent updated data. Data migration with the least amount of downtime is possible with Oracle GoldenGate. Oracle GoldenGate supports two types of architecture: Classic Architecture and Microservices Architecture. It also provides features such as data integration, business continuance, and high availability. Oracle GoldenGate follows a core-based pricing model, and there are additional fees for infrastructure usage with some Oracle GoldenGate services.
What Are The Different Types Of Golden Gate Replication?
Oracle GoldenGate supports two types of replication: DML replication and DDL replication.
DML replication is used to replicate data manipulation language (DML) transactions, such as INSERT, UPDATE, and DELETE, between databases.
DDL replication is used to replicate data definition language (DDL) statements, such as CREATE TABLE and ALTER TABLE, between databases.
What Is The Difference Between Oracle Streams Replication And Goldengate?
Oracle Streams and GoldenGate are both Oracle’s data replication solutions. There are differences between the two.
Here are some of the differences:
- Architecture: Oracle Streams is an Oracle database feature that is built into the Oracle Database, whereas Oracle GoldenGate is a standalone software that can be installed on top of the Oracle Database or other databases.
- Functionality: Both Oracle Streams and GoldenGate offer similar functionality, such as replicating data changes between databases, but GoldenGate provides more advanced capabilities like data transformation and filtering and supports more heterogeneous environments.
- Licensing: Oracle Streams is included as a part of the Oracle Database license, while Oracle GoldenGate requires a separate license, which can make it more expensive.
- Ease of use: Oracle Streams is easier to set up and configure compared to Oracle GoldenGate, which requires more knowledge and expertise to set up.
What Is The Purpose Of Oracle Golden Gate?
Oracle GoldenGate is a data replication and integration software product and is used for data integration, high availability, and online migrations. GoldenGate allows for data to be moved efficiently and accurately, with minimal impact on the performance of source systems. It also provides advanced capabilities like data transformation, filtering, and conflict detection and resolution.
What Are The Main Components Of The Goldengate Replication?
The main components of Oracle GoldenGate replication are:
- Manager
- Extract
- Data Pump (optional)
- Replicate
- Trail/Extract Files
- Checkpoints
- Collector
These components work together to provide data replication and integration between systems. The Manager starts the GoldenGate process the Extract captures changes from redo logs and writes them to the trail file. The Data Pump copies the extracted data to the target system (optional), the Replicate applies the changes in the trail file to the target database, and the Trail/Extract Files contain the captured data changes. Checkpoints are used to record the progress of the replication process. The Collector is used to collect trail files from multiple sources.
What Is The Difference Between GoldenGate and Data Guard?
Oracle Data Guard and Oracle GoldenGate are both Oracle technologies used for data replication and disaster recovery. They have different use cases and functionalities
Oracle GoldenGate is a more flexible heterogeneous replication mechanism that can replicate data across different database platforms and systems. It can capture and replicate only selected data changes at the transaction level, allowing for real-time data integration and synchronization between different systems.
Oracle Data Guard is primarily used for disaster recovery and data protection, providing standby databases for failover and switchover in case of a primary database failure. It is a database-level solution that replicates the entire database.
Conclusion
GoldenGate supports a wide range of databases, operating systems, and platforms, including Oracle Database, IBM DB2, Microsoft SQL Server, Sybase, and more. GoldenGate Cloud Service is highly scalable and flexible and can be used with both Oracle and non-Oracle databases. Configuring data mapping and filters, starting the replication processes, monitoring and managing replication, and performing switchover and failover in case of an outage.
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