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Important

New database features are no longer connected to engine versions; features are now enabled independently during scheduled update windows, and “major” and “minor” releases no longer exist in Helios. Please visit the release notes to view the latest features available in your database clusters.

Connect with Java/JDBC

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You can connect from Java/JDBC-based applications to SingleStore using the following drivers/connectors:

  • The SingleStore JDBC Driver

  • MariaDB Connector/J (JDBC)

For most JDBC use cases, SingleStore recommends The SingleStore JDBC Driver.

The SingleStore JDBC Driver

The SingleStore JDBC driver is compatible with JDBC 4.2. You can use this driver to connect applications developed in Java 21, Java 17, Java 11, and Java 8 to SingleStore databases.

Refer to The SingleStore JDBC Driver for detailed information on how to install, configure, and connect using this driver.

Hibernate SingleStore Dialect

Refer to Hibernate SingleStore Dialect for information on connecting to your SingleStore deployments from Hibernate applications using the SingleStore dialect.

MariaDB Connector/J (JDBC) Version 2.4.0 (LGPLv2.1)

You can also use the MariaDB Connector/J v2.4.0 to connect to your SingleStore database.

Note

To enable/promote connector compatibility, SingleStore identifies itself as MySQL version x.x.x compatible. The compatibility version may vary depending on the SingleStore version in use.

To specify a MySQL compatibility version, use the compat_version variable. For example,

SET GLOBAL compat_version = '5.6.4';

Refer to Connector/J 2.4.0 for its binary and source code.

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Verification instructions

Note: You must install cosign to verify the authenticity of the SingleStore file.

Use the following steps to verify the authenticity of singlestoredb-server, singlestoredb-toolbox, singlestoredb-studio, and singlestore-client SingleStore files that have been downloaded.

You may perform the following steps on any computer that can run cosign, such as the main deployment host of the cluster.

  1. (Optional) Run the following command to view the associated signature files.

    curl undefined

  2. Download the signature file from the SingleStore release server.

    • Option 1: Click the Download Signature button next to the SingleStore file.

    • Option 2: Copy and paste the following URL into the address bar of your browser and save the signature file.

    • Option 3: Run the following command to download the signature file.

      curl -O undefined

  3. After the signature file has been downloaded, run the following command to verify the authenticity of the SingleStore file.

    echo -n undefined |
        cosign verify-blob --certificate-oidc-issuer https://oidc.eks.us-east-1.amazonaws.com/id/CCDCDBA1379A5596AB5B2E46DCA385BC \
          --certificate-identity https://kubernetes.io/namespaces/freya-production/serviceaccounts/job-worker \
          --bundle undefined \
          --new-bundle-format -
    Verified OK

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