Improving Data Quality in ClickHouse Databases with Soda



Data quality is the bedrock of any data-driven project, ensuring the integrity and reliability of information. Soda, a versatile tool catering to Data Engineers, Data Scientists, and Data Analysts, empowers users to conduct data quality tests precisely when and where they need to. This guide merges theoretical insights with practical examples from the soda-clickhouse project, showcasing how Soda can significantly enhance data quality in ClickHouse databases.

Soda Use Case Guides

1. Testing Data in a Pipeline

Integrate Soda seamlessly into your data pipeline to perform continuous data quality checks. Define checks using SodaCL, include scans at key pipeline stages, and monitor results for early issue detection, ensuring data quality at every step.

2. Testing Data Before Migration

Prioritize data integrity before migration by configuring Soda for both source and target databases. Leverage Soda’s reconciliation checks to verify data consistency and resolve any issues identified in pre-migration scans, ensuring a smooth transition.

3. Testing Data in CI/CD

Incorporate Soda into your CI/CD pipeline for automated data quality checks. Configure alerts for failures, seamlessly integrate with GitHub Actions, and maintain reliable data throughout the development lifecycle, fostering a culture of quality in your data-driven processes.

4. Self-Serve Soda

Empower your teams with self-serve capabilities using Soda. Facilitate easy access, encourage collaborative definition of quality checks, enable browser interface usage, and integrate with data catalogs for a holistic overview of dataset health, allowing teams to take ownership of their data quality.

Soda Cloud: Advanced Analytics and Collaboration

When it comes to reviewing scan results and investigating issues, Soda Cloud takes your data quality management to the next level. Here’s what you can do:

  • Review Scan Results:

    • Access visualized scan results not only in the command-line interface but also through the intuitive dashboard on Soda Cloud.
  • Set Alert Notifications:

    • Configure custom alert notifications to stay informed about any deviations or anomalies detected during scans. Proactively address potential data quality issues.
  • Track Trends Over Time:

    • Gain insights into the trends of your data quality metrics over time. Track improvements or deviations and make informed decisions about your data pipeline.
  • Integration with External Tools:

    • Seamlessly integrate Soda Cloud with your existing messaging, ticketing, and data cataloging tools. Collaborate more effectively by connecting with platforms like Slack, Jira, and Atlan.

Soda Cloud not only enhances the visibility of your data quality but also facilitates collaboration and advanced analytics, making it a powerful companion for managing and improving your data quality standards.

Project Samples: soda-clickhouse

Explore the soda-clickhouse project on GitHub, featuring two insightful samples:

  1. Sample_1: Data Quality in dim_customer Table

    • Dive into practical examples of performing quality checks on the dim_customer table within ClickHouse using Soda.
  2. Sample_2: Data Migration Validation

    • Ensure data integrity during migration from a MySQL to ClickHouse data source using reconciliation checks in Soda.


Implementing Soda for data quality assurance provides a comprehensive and effective approach. Whether you are testing data in a pipeline, before migration, in CI/CD, or enabling self-serve capabilities, Soda enhances the reliability and trustworthiness of your datasets. Explore the soda-clickhouse project, experiment with the provided samples, and leverage Soda’s capabilities to elevate your data quality standards and foster a data-driven culture. Elevate your data quality standards with Soda – making data reliability an integral part of your data journey.

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