PolarDB:Database Management

Create a database

1. Log on to the PolarDB console.
2. In the upper-left corner of the console, select the region in which the cluster that you want to manage is deployed.
3. Find the cluster and click the cluster ID.
4. In the left-side navigation pane, choose Settings and Management > Databases.
5. Click Create Database.
6. In the Create Database panel, configure the following parameters.

   Parameter	Description
   Database Name	The name must start with a letter and end with a letter or a digit. The name can contain lowercase letters, digits, underscores (_), and hyphens (-). The name can contain up to 64 characters in length. The name must be unique in your PolarDB instance. Note Do not use reserved words as database names, such as test or mysql.
   Supported Character Set	Select the character set supported by the database, such as utf8mb4, utf8, gbk, latin1, etc.
   Authorized Account	Select the account that you want to authorize to access this database. You can leave this parameter empty and bind an account after the database is created. Note Only standard accounts are available in the drop-down list. Privileged accounts have all the permissions on all databases. You do not need to authorize the privileged accounts to access the database.
   Account Permissions	Select the permission that you want to grant to the selected account. Valid values: Read/Write, Read-only, DML Only, DDL Only, or Read-only + Index.
   Description	Enter a description for the database. The description helps facilitate subsequent database management. The description must meet the following requirements: It cannot start with http:// or https://. It must be 2 to 256 characters in length.

7. Click OK.

Delete a database

1. Log on to the PolarDB console.
2. In the upper-left corner of the console, select the region in which the cluster that you want to manage is deployed.
3. Find the cluster and click the cluster ID.
4. In the left-side navigation pane, choose Settings and Management > Databases.
5. Find the database that you want to delete and click Delete in the Actions column.
6. In the dialog box that appears, click OK.

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