---
url: /v6.2/en-us/connecting-kap.md
---
# Connecting to Kyligence Enterprise

### Connection Steps

Please follow the steps below to connect to the `Kyligence Enterprise` 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 `Kyligence Enterprise` data source from the list of data source types.
   ![](/images/data-connection/connecting-kap-001.png)

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

   **Connection Configuration Information Description**

   | Field                                         | Description                                                                                                   |
   | --------------------------------------------- | ------------------------------------------------------------------------------------------------------------- |
   | Name                                          | The name of the connection. Required and 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.                                                     |
   | ssl                                           | Whether to use ssl connection.                                                                                |
   | Prefer database comment as dataset title       | Whether to display the table name or the table comment as the title. When enabled, shows the title; otherwise, shows the table comment. |
   | 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; 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 appropriately.                      |
   | Show only tables under specified database/schema | When this option is selected and the database field is not empty, only tables under the specified db are 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 `Kyligence Enterprise` 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.

***

### Supported Kyligence Enterprise Versions

`Kyligence-Enterprise-3.2.2.2022-GA` and above.

### Data Connection Preview Support

Supports standard `table`.

### SQL Dataset Support for SQL

All `SELECT`-related features are supported. The `SELECT SQL` statement must comply with the `Kyligence Enterprise` syntax specifications.

### Unsupported Field Types

The following data types in Kyligence Enterprise cannot be processed correctly:

* BINARY
* arrays
* maps
* structs
* union