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Connect to a Data source Learn how to connect to an external data-source (PG/MySQL) in NocoDB. [Data Sources Connect External PG MySQL mtls tls ssl] [NocoDB data source connect data source external data source PG data source MySQL data source]

To connect to an external data source, follow the steps below:

  1. Access the Base context menu by clicking on the ... in the left sidebar against the base name
  2. Click on Settings tab
  3. In the popup modal, click on Data Sources tab
  4. Click on + New Data Source button
  5. On the input modal, provide the following details:
    Field Name Description
    Source Name Name for this data source for display on NocoDB UI
    Database Type Type of the data source. Currently, NocoDB supports PostgreSQL & MySQL data sources.
    Host Address Hostname of the data source
    Port Number Port number of the data source
    Username Username to connect to the database
    Password Password to connect to the database
    Database Name of the database to connect to
    Schema name Name of the schema to connect to

5a. Optionally, if the connection required is TLS/MTLS for MITM protection, follow these additional steps below:

  • Click on SSL & Advanced Parameters
  • Select SSL Mode and upload the client certificate, client key, and Root CA files by clicking on the file.

    Note: The entire connection parameters can be viewed in json form by clicking on the "Edit connection JSON" and edited as required by database server type.

    Example: In PostgreSQL when SSL mode set to "Required-Identity," if the server certificate's common name (cname) differs from the actual DNS/IP used for connection, the connection will fail.
    To resolve, add "servername" property with same cname value under the SSL section. Additional details are available at knex configuration options.
  1. Click on the Test Database Connection button to verify the connection
  2. Wait for the connection to be verified.
  • After test is successful, Counnect to Data Source button will be enabled.
  • Click on Connect to Data Source button to save the data source.

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