# Creating a connection from a catalog or a schema

Available in...

* Big Data Platform
* Cloud API Services Platform
* Cloud Big Data Platform
* Cloud Data Fabric
* Cloud Data Management Platform
* Data Fabric
* Data Management Platform
* Data Services Platform
* MDM Platform
* Real-Time Big Data Platform

You can create a connection on a database catalog or schema directly from a database connection.

## Before you begin

You have set at least one database connection in the Profiling perspective of Talend Studio. For further information, see [Connecting to a database](https://help.qlik.com/talend/en-US/studio-user-guide/8.0/connecting-to-database)

## Procedure

1. In the DQ Repository tree view, expand Metadata > DB Connections and browse to the catalog or schema on which you want to create the connection.
2. Right-click a catalog or schema and select Create a new connection.

   ![Contextual menu of a DB connection from the Profiling perspective.](https://help.qlik.com/talend/en-US/studio-user-guide/Resources/images/catalog_connection.png)

   A confirmation message is displayed.
3. Click OK.

## Results

A new connection named after the selected connection and catalog is created under DB Connections. ![New connection created under DB connections.](https://help.qlik.com/talend/en-US/studio-user-guide/Resources/images/catalog_connection2.png)