You can directly delete regular accounts in the management console.
Go to the DDS Management Console.
Click Management Center -> Instance Management to go to the instance list page.
Select the instance for which you want to create a database account and click the instance ID of the instance to go to the instance details page.
Then click Account Management to go to the account management page.
Select the regular account you want to delete, and click Delete in the Operation column on the right. The Tip pop-up window is displayed.
The Tip pop-up window will display the account you want to delete.
Confirm the information of the account you want to delete, and click OK in the pop-up window to delete the regular account.
Note：
The administrator account initially added to the database cannot be deleted.