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You can create connections to one or more databases from . For more information on MySQL, see https://www.mysql.com/.

If you are connecting to any relational source of data, such as Redshift or Oracle, you must add the to your whitelist for those resources.For more information, see Getting Started with Cloud Dataprep.

Supported Versions: 5.7 and 8.0 Community

Read: Supported
Write: Supported

Configure

To create this connection:

In the Import Data page, click the Plus sign. Then, select the Relational tab. Click the card.
You can also create connections through the Connections page.
See Connections Page.

Modify the following properties as needed:

Property Description

Host

Enter your fully qualified hostname. Example:

mysql-server.example.net

Port Set this value to 3306.

Connect String Options

Insert any additional connection parameters, if needed. See below.

User Name Username to use to connect to the database.

Password Password associated with the above username.

Test Connection After you have defined the connection credentials type, credentials, and connection string, you can validate those credentials.

Default Column Data Type Inference

Set to disabled to prevent the platform from applying its own type inference to each column on import. The default value is enabled.

Connection Name Display name of the connection

Connection Description Description of the connection, which appears in the application.

Connection URL

The properties that you provide are inserted into the following URL, which connects to the connection:

jdbc:mysql://<host>:<port>/<database><connect-string-options>

Connect string options

The connect string options are optional. If you are passing additional properties and values to complete the connection, the connect string options must be structured in the following manner:

?<prop1>=<val1>&<prop2>=<val2>...

where:

<prop> : the name of the property
<val> : the value for the property

delimiters:

? : any set of connect string options must begin with a question mark.
& : all additional property names must be prefixed with an ampersand (&).
= : property names and values must be separated with an equal sign (=).

Default connect string options

The following connect string options are specified by default.

NOTE: These options should not be overridden or modified.

The following connect string option requires the driver to use cursor-based fetching to retrieve rows.

useCursorFetch=true;

Driver Information

This connection uses the following driver:

Driver name: com.mysql.cj.jdbc.Driver
Driver version: 8.0
Driver documentation:https://dev.mysql.com/doc/connector-j/8.0/en/

Create via API

This connection can also be created using the API.

Type: jdbc
Vendor: mysql

For more information, see

#operation/createConnection

Troubleshooting

Error message

Description

1042 - ER_BAD_HOST_ERROR

Unable to connect to host. Please verify the host and port values.

1045 - ER_ACCESS_DENIED_ERROR

Credentials failed to connect. Please verify your credentials.

Tip: Click the Test Connection button to verify that your credentials are working properly.

Error: zero date value prohibited

Set the following option in the connect string options:

zeroDateTimeBehavior=convertToNull

Prepared statement needs to be re-prepared.

Database Cursor is not compatible with PREPARED statements in MySQL. The fix is to set the following in the Connect String Options:

useCursorFetch=false

For more information on error messages for this connection type, see https://dev.mysql.com/doc/refman/8.0/en/error-handling.html.

Use

For more information, see Database Browser.

Data Conversion

For more information on how values are converted during input and output with this database, see MySQL Data Type Conversions.