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Query Data

Once the data is loaded into SingleStore Helios, it can be queried for both analytical and transactional purposes.

SingleStore Helios supports the following query-related features:

  • The SELECT command retrieves data from a database. From this basic SQL command, you can utilize more advanced query concepts such as performing upserts and creating common table expressions.

  • The INSERT, DELETE, and UPDATE commands manipulate data within a database and can utilize querying elements such as INSERT... SELECT, DELETE with filters, join, and subqueries, or UPDATE with filters, joins, and subqueries.

  • The EXPLAIN, EXPLAIN UI, PROFILE, and SHOW PROFILE UI features can help you understand the performance of your queries. These features allow you to analyze query plans and gather execution statistics, which can aid in identifying bottlenecks and optimizing your database queries. The SingleStore Visual Explain feature provides query plan visualization through a graphical interface, which can help you tune database queries so that they run faster and/or use less resources.

  • SingleStore Helios supports integration with a wide range of third-party data analytics and business intelligence software such as Dremio, Looker, MicroStrategy, Power BI, Sisense, Tableau, and Tibco Spotfire.

In this section

Last modified: July 7, 2023

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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