Top ETL Tools

5 Best Change Data Capture (CDC) Tools for 2024

May 14, 2024

Is your organization experiencing a constant flow of data that is similar to a river where every edit, update, and deletion is like a wave in the current? Capturing these ripples and understanding the ever-changing landscape is essential for real-time, informed decision-making. This is where change data capture tools emerge as your life rafts, allowing you to navigate and extract valuable insights from the ever-changing stream. 

As we delve into 2024, a multitude of tools vie for your attention. But with so many options, each boasting unique features and functionalities, how do you identify the one that resonates perfectly with your needs? This article dives deeper than just a list, acting as your trusted guide through the complex world of CDC solutions.  

What is Change Data Capture?

Change Data Capture (CDC) is identifying and capturing changes made to data in a database. It enables monitoring and tracking of modifications such as inserts, updates, and deletes, allowing systems to stay synchronized and updated with real-time changes. CDC is commonly used in data integration, replication, and warehousing scenarios, facilitating efficient and timely updates across different applications and ensuring data consistency. 

CDC typically involves: 

  • Assigning timestamps or sequence numbers to changes to maintain an order and track them accurately. 
  • Log-based implementation, where the database transaction log is examined for changes. CDC can also be carried out through the trigger-based approach, where triggers on tables capture changes when they occur. 
  • Propagating the captured changes to other systems or data repositories to ensure consistent and up-to-date information flow across different distributed system components. 

Benefits of Change Data Capture

CDC offers several advantages over traditional data transfer methods, making it valuable for various data management tasks. Here are some key benefits of using CDC: 

  • Real-time Data: Unlike batch processing, which transfers data periodically, CDC captures the modifications as they happen, enabling real-time data movement and analysis. This is crucial for applications that require up-to-date information, such as fraud detection, stock market analysis, and personalized recommendations. However, you can also use CDC to send data in batches. 
  • Reduced Resource Consumption: CDC only transfers the changed data, minimizing the amount of data transfer and processing compared to full data transfers. This translates to lower bandwidth usage, less strain on system resources, and improved overall efficiency. 
  • Faster and more Efficient Data Migration: With the CDC technique, you can experience smoother and faster data migration with minimal downtime by continuously capturing changes. Since the target system is constantly updated with the latest changes, it minimizes the disruption to ongoing operations.  
  • Simplified Application Integration: It allows for easier integration between applications that use different database systems. By capturing changes in a standardized format, CDC enables seamless understanding and utilization of data from other systems. 

Which are the Top 5 CDC Tools?

Here are some top CDC tools listed below that you can use to seamlessly replicate your data in real-time:

1. Airbyte


Airbyte is a data integration platform that focuses on replicating data from various sources to data warehouses, lakes, and databases. It supports log-based (CDC), where these logs store the record of changes that have occurred in the database. To assist log-based CDC, Airbyte uses Debezium as an embedded library to capture and monitor changes constantly from your databases. This includes capturing various operations like INSERT, UPDATE, and DELETE.  

Key features of Airbyte include:

  • Although Airbyte provides 350+ pre-built connectors, if your sources are not supported by these pre-built connectors, Airbyte’s Connector Development Kit (CDK) allows you to build custom connectors. 
  • Airbyte supports both homogeneous and heterogeneous migrations. This allows you to replicate data between the same sources (e.g., MySQL to MySQL) and with different database engines (e.g., MySQL to PostgreSQL). 
  • Airbyte’s PyAirbyte is an open-source Python library that allows you to work with the connectors Airbyte provides. This is effective for custom data integration and transformation requirements using Python programming.


Airbyte offers three pricing versions—Airbte Cloud, Self-managed and Powered by Airbyte. The Open-source version is freely available for all and maintained by Airbyte’s community available in the Self-managed plan. The Cloud works on a pay-as-you-go approach, allowing you to only pay for the services you use. The Powered by Airbyte enables you to add hundreds of integrations to your existing product instantly. The pricing of this model depends on the syncing frequency you select.

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2. Debezium 


Debezium is an open-source distributed platform designed to capture changes in data. It is built on top of Apache Kafka, a popular streaming platform. Debezium is developed to monitor the transaction logs and capture events representing the modifications to the data. It provides connectors for various database management systems (DBMS) like PostgreSQL, MySQL, and MongoDB. These connectors allow you to capture database changes in real time and stream them to Kafka topics for further processing.

Here’s key aspects of Debezium:

  • If a Debezium source connector generates a change event for a table without an existing target topic, the topic is created during runtime. The change events are subsequently ingested into Kafka.
  • Debezium lets you mask the values of specific columns in a schema. This feature is especially useful when your dataset contains sensitive data. 


As Debezium is an open-source platform, it is free of cost for use. 

3. Striim 


Striim is a software outlet designed for real-time data integration and streaming analytics. It allows your organization to continuously collect, process, and deliver data from various sources, including databases, applications, and sensors. Striim also facilitates data migration from on-premises databases to cloud environments without downtime and keeps them up-to-date using CDC. 

Here are some features of Striim:

  • Multiple stream sources, windows, and caches can be combined in a single query and chained together in directed graphs, known as data flows. These data flows can be built through the UI or the TQL scripting language. You can easily deploy and scale across a Striim cluster without writing additional code.
  • You can use Striim for OpenAI and parse any type of data from one of Striim’s 100+ streaming sources into the JSONL format. It can be easily uploaded to OpenAI for creating AI models.


Striim offers four pricing versions—Striim Developer, Automated Data Streams, Striim Cloud Enterprise, and Striim Cloud Mission Critical. The Striim Developer version is freely available to you. The Automated Data Streams start from $1000 per month. The Strim Cloud Enterprise costs $2000 per month, providing you with more advanced functionalities. Lastly, the Striim Cloud Mission is a customized version, and you can contact the Striim sales team for more details.

4. AWS Database Migration Service 

AWS Database Migration Service

Managed by AWS, Database Migration Service (DMS) helps you replicate your databases. You can set up CDC to capture changes while you are migrating your data from the source to the target data. Additionally, you can create a task to capture the ongoing changes from the source data. This ensures that any modifications that occur during the migration process are also replicated in the target system. 

Here are the features of AWS DMS:

  • DMS supports a variety of popular database engines, including Oracle, SQL Server, PostgreSQL, MySQL, MongoDB, MariaDB, and others. This allows you to migrate your databases regardless of the platform they are currently on. 
  • AWS offers a serverless option with AWS DWS Serverless. This option automatically provisions, monitors, and scales resources, simplifying the migration process and eliminating the need for manual configuration. It is particularly beneficial for scenarios where diverse database engines are involved. 


AWS DMS offers you multiple hourly pricing options. You can contact the AWS team for their pricing details.

5. GoldenGate (Oracle)

GoldenGate (Oracle)

Oracle GoldenGate is a real-time data integration and replication platform from Oracle Corporation. It facilitates the real-time movement of data between different types of databases and platforms without impacting the performance of the source system. It allows you to capture data changes as they occur and replicate them timely to the target system. 

The features of Oracle GoldenGate include: 

  • GoldenGate offers Stream Analytics, which gives you access to features such as time series, machine learning, geospatial, and real-time analytics. 
  • Along with Oracle repositories, GoldenGate allows you to connect with many non-Oracle databases and data services for data integration. The databases supported by OCI are Microsoft SQL Server, IBM DB2, Teradata, MongoDB, MySQL, PostgreSQL, etc. 


OCI offers different pricing versions for different needs, and you can contact their sales team for more details. 

Wrapping Up!

The array of CDC tools available listed above empowers your organization to manage and analyze data effectively. From surveillance to prevention, these tools play a crucial role in fostering data-driven decision-making. Choosing the right CDC tool depends on your specific needs and priorities. Consider the features mentioned above and evaluate options to find the best fit for your data integration. 

What should you do next?

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Frequently Asked Questions

What is ETL?

ETL, an acronym for Extract, Transform, Load, is a vital data integration process. It involves extracting data from diverse sources, transforming it into a usable format, and loading it into a database, data warehouse or data lake. This process enables meaningful data analysis, enhancing business intelligence.

What is ?

What data can you extract from ?

How do I transfer data from ?

This can be done by building a data pipeline manually, usually a Python script (you can leverage a tool as Apache Airflow for this). This process can take more than a full week of development. Or it can be done in minutes on Airbyte in three easy steps: set it up as a source, choose a destination among 50 available off the shelf, and define which data you want to transfer and how frequently.

What are top ETL tools to extract data from ?

The most prominent ETL tools to extract data include: Airbyte, Fivetran, StitchData, Matillion, and Talend Data Integration. These ETL and ELT tools help in extracting data from various sources (APIs, databases, and more), transforming it efficiently, and loading it into a database, data warehouse or data lake, enhancing data management capabilities.

What is ELT?

ELT, standing for Extract, Load, Transform, is a modern take on the traditional ETL data integration process. In ELT, data is first extracted from various sources, loaded directly into a data warehouse, and then transformed. This approach enhances data processing speed, analytical flexibility and autonomy.

Difference between ETL and ELT?

ETL and ELT are critical data integration strategies with key differences. ETL (Extract, Transform, Load) transforms data before loading, ideal for structured data. In contrast, ELT (Extract, Load, Transform) loads data before transformation, perfect for processing large, diverse data sets in modern data warehouses. ELT is becoming the new standard as it offers a lot more flexibility and autonomy to data analysts.