1. Log in to the Baidu AI Cloud Oficial Website.

   If not registered, please [Register Account](UserGuide/Account Password /Activate Account.md#Activate the Baidu AI Cloud Account#) first. If you register the Baidu account, you can Log in to it directly.

2. Select "Product Service > RDS", enter the "RDS List" page and click "Create Instance".
3. The system shows the guide for creating an RDS for PostgreSQL instance. After selecting "Prepaid" or "Postpaid", select such configurations as region information, database type and version, memory, and disk capacity. In this way, you can create an RDS for PostgreSQL master instance, also called a standard instance.

Region information

"Availability zone" denotes the data center with relatively isolated physical resources, which can help users build high-availability architecture. See Availability Zone Instructions) for details. Availability zone selection rule:

• Single-AZ (A, B, C……): The master instance is created in the same AZ.
• Multi-AZ (A+B, A+C, and B+C……): Includes two (or multiple) AZs. When creating, the master instance's master/backup nodes are respectively created in different areas of the multi-AZ.

Configuration Information

At present, if you need more than 32G of memory or you need more than 500G of storage space, please submit Ticket to contact customer service to sign up for you

4. After confirming the configuration information, click "Next" to go to the payment page. Here, you can view the selected RDS for PostgreSQL instance's package and price for your confirmation.
5. After confirming, click the "Go to pay" button at the lower right corner. Then, the system shows the "Payment" page, on which you can confirm the payment and complete the order. You can view the order by clicking "View Order Details" or click "Management Console" to enter "RDS Instance List". The system creates an RDS for PostgreSQL instance at the back end, which usually lasts for 1-5 minutes. After successful creation, you receive the information "Successfully create an RDS for PostgreSQL instance".
6. After successful purchase, return to the "RDS Instance List" page, where you can view the list of the created RDS instances, instance status, location, database type, and expiry time.

7. In the instance list, click the Instance ID to go to the RDS for PostgreSQL Instance Details page, where the "Basic Information" tag shows information such as instance running status and configuration. You can select other tags to manage and operate the instance.