1. Log in to the NineData console.
2. select data source management > in the left navigation bar; Source of data.
3. Click the "Create Data Source" button, select "Self-built Database" in the pop-up data source type window, and then select "PostgreSQL" as the data source type.
4. On the Create Data Source page, configure the parameters according to the following table: Data Source Name: Enter the name of the data source. Please use a meaningful name to facilitate subsequent search and management.
5. In the subsequent data development and management, PostgreSQL database and Schema can be easily created by using NineData platform.
Please note that before creating the data source, please ensure that the user has been created on the NineData platform and the corresponding role has been authorized. In addition, ensure that the PostgreSQL database is configured and running correctly.