---
url: /v6.2/en-us/connecting-kylin.md
---
# Connecting to Kylin

### Connection Steps

Please follow the steps below to connect to the `Kylin` data source.

1. Click "New Data Connection" in the upper right corner of the data connection page.
   ![](/images/data-connection/connection-001.png)

2. Select the `Kylin` data source from the list of data source types.
   ![](/images/data-connection/connecting-kylin-001.png)

3. Fill in the required parameters for the data source connection as prompted.
   ![](/images/data-connection/connecting-kylin-002.png)

   **Connection Configuration Information**
   | Field                                   | Description                                                                 |
   | ---------------------------------------- | --------------------------------------------------------------------------- |
   | Name                                    | The name of the connection. Required and must be unique within the user     |
   | Host Address                            | The address of the database                                                 |
   | Port                                    | The port of the database                                                    |
   | Username                                | The username for the database                                               |
   | Password                                | The password for the database                                               |
   | Database                                | The name of the database                                                    |
   | Max Connections                         | The maximum number of connections in the connection pool                    |
   | Prefer to use database comment as dataset title | Choose whether to display the table name or the table comment. When enabled, the title is displayed; when disabled, the table comment is displayed |
   | URL                                     | The JDBC URL of the database                                                |
   | Hierarchical loading of schema and tables| Default is off. When enabled, schemas and tables are loaded hierarchically. Only schemas are loaded during connection, and you need to click the schema to load the tables under it |
   | Query Timeout (seconds)                  | Default is 600. If the data volume is large, you can increase the timeout   |
   | Show only tables under the specified database/schema | When this option is selected and the database field is not empty, only tables under the specified database will be displayed |

4. After filling in the parameters, click the `Validate` button to get the validation result (this checks the connectivity between HENGSHI SENSE and the configured data connection; you cannot add the connection if validation fails).

5. After validation passes, click `Execute Preset Code` to pop up the preset code for this data source, then click the execute button.

6. Click the `Add` button to add the `Kylin` connection.

> \[!CAUTION] Please Note
>
> 1. Parameters marked with \* are required; others are optional.
> 2. When connecting to a data source, you must execute the preset code. Failure to do so may result in certain functions being unavailable during data analysis. In addition, when upgrading from a version prior to 4.4 to 4.4, you need to execute the preset code for existing data connections in the system.