Connect to MySQL (Private Beta)

Sigma supports connections to the MySQL database, for release 8.0 or higher.

BETA This feature is currently in Private Beta. Beta features are subject to quick, iterative changes. As a result, this document may not reflect the most current version.

Customers
 Request access to this feature through your Account Representative.
Prospects
 Request access to this feature through our Sales team.

Contents

Requirements

  • Admin privileges in your Sigma organization.
    For more information, see User account types.
  • A MySQL account with READ privileges for the relevant databases and tables.
    If planning to upload CSV data, the account must have WRITE privileges.
  • Sigma supports MySQL version 8.0 and higher.

Limitations

When connecting from Sigma to a MySQL data store, Sigma does not support the following features and interactions:

Create a connection

Follow these basic steps to create a connection:

  1. Click the user icon at the top right of your screen. 
    The user icon is usually composed of your initials.
  2. In the drop-down menu, select Add connection.
    Select the Add connection option
  3. The Add new connections page appears.
    The connections page lists all supported database types, as icons
  1. In the Connection details, specify these:
    Name
    Specify the Name of the new connection. Sigma displays this name in the connection list.
    Here, we use MySQL connection.
    Type
    Select the tile that represents the data warehouse you use.
    Here, click the MySQL tile.
  2. In the Connection Credentials section, specify the following:
    Host
    The path to your database. This can be a URL, or an IP address.
    Port
    The port that Sigma uses to connect to the host.
    The default port for MySQL is 3306
    User
    The username, or account, for connecting to the MySQL data warehouse.
    For example, test.
    Password
    Enter the password that corresponds to the User on the MySQL account.
    Database
    The name of the database you plan to query.
    Enable TLS
    Optional.
    This switch enables or disables TLS encryption on your connection.
    Enabled by default.
    SSH Tunnel
    Optional.
    This switch enables the SSH protocol for secure remote login. For details, see Connect through SSH.
    Disabled by default.
    Connection credentials for MySQL
  3. In the Connection Features section, specify the following:
    Connection timeout
    The time before timeout (or cancellation), in seconds, that Sigma waits for the query to return results.
    Default is 120, or 2 minutes.
    Connection queue size
    The number of concurrent interactive queues that Sigma establishes for the connection.
    Default is 8.
    Use friendly names
    This switch makes column names from the data source more readable.
    For example, a database column ORDER_NUMBER appears as Order Number.
    On by default.
    Connection features for MySQL
  4. In the Write Access section, decide if you require write access.
    See Set up write access.
    Enable write access
    Necessary for one of the following features:
    Off by default.
    Write access for the connection
  5. After you specify all the parameters of the connection, click Create.
    Create the connection
  6. After you successfully create your connection, Sigma displays it on the screen.
    New connection created successfully
  7. To verify your connection, click Browse Connection, and then explore the visible databases and tables.
    Explore dbs and tables
  8. Click Add Permission to grant data access for users in your organization.
    See Data permissions.
    alt
  9. The new connection also appears in the list of connections you have in your account. New connection in the list of existing connections

Related resources


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