Purchase DMS - Data Management - Alibaba Cloud Documentation Center

Data Management (DMS) provides a set of basic features at no cost. For advanced capabilities, you can purchase billed features such as the Stable Change mode, the Security Collaboration mode, and sensitive data protection.

Billed features

DMS offers the following billed features:

Control Mode: DMS provides three control modes. The Flexible Management mode is free. You can purchase the Stable Change or Security Collaboration mode for additional capabilities.
Sensitive Data Protection: Helps you detect, de-identify, and manage sensitive data across your instances. For more information, see the Billable items and prices section of the "Pricing" topic.

Control mode comparison

For more information about control modes, see Control modes.

Capability	Flexible Management (Free)	Stable Change	Security Collaboration
Base features	Yes	All Flexible Management features	All Flexible Management and Stable Change features
Data tracking	Standard	Unlimited	Unlimited
Export row limit	1 million	20 million (free of additional charge)	Unlimited
Data access control	Not included	Not included	Yes
Data change security	Not included	Not included	Yes
DevOps	Not included	Not included	Yes
Customizable R&D standards, processes, and approval processes	Not included	Not included	Yes

Prerequisites

If you are a Resource Access Management (RAM) user, make sure the RAM user has the required permissions to purchase a feature of DMS. To grant the required permissions:

Use an Alibaba Cloud account or a RAM user that has the AdministratorAccess permission to create a custom policy with the following content. For instructions, see the Create a custom policy on the JSON tab section of the "Create custom policies" topic.
```
{
    "Statement": [
        {
            "Action": "dms:*",
            "Effect": "Allow",
            "Resource": "*"
        }
    ],
    "Version": "1"
}
```
Attach the policy to the RAM user. For more information, see Grant permissions to a RAM user.

Procedure

Log on to the DMS console V5.0.
In the upper-right corner of the DMS console, choose > Billing > DMS Order Management.
Note
If you use the DMS console in normal mode, choose > DMS Order Management in the upper-right corner of the console.
In the Purchase specification details dialog box, click Purchase to open the buy page.

On the buy page, configure the following parameters.

Parameter	Description
Billing Method	Subscription: Recommended for long-term use. Subscription is more cost-effective than pay-as-you-go, and longer subscription periods offer larger discounts. Pay-as-you-go: Fees are calculated on a daily basis. If you use a feature for less than one day before you unsubscribe, the usage duration is rounded up to one day. For more information, see Pricing.
Service Type	Select the feature you want to purchase: Control Mode: Choose from the Stable Change mode or the Security Collaboration mode. The Flexible Management mode is free. Sensitive Data Protection: Detects, de-identifies, and manages sensitive data.
Control Mode	This parameter appears when you select Control Mode as the service type. Select a control mode. For more information, see Control modes. Stable Change: Includes all features of the Flexible Management mode, plus increased quotas: unlimited data tracking and an export row limit of 20 million (up from 1 million), free of additional charge. Security Collaboration: Includes all features of the Flexible Management mode and the Stable Change mode, plus data access control, data change security, DevOps, and customizable R&D standards, R&D processes, and approval processes.
Number of Instances	Specify the maximum number of instances for which you can enable the feature.
Duration	Subscription: Specify the duration as needed. Note If you want the feature to be automatically renewed before the subscription expires, select Auto-renewal below the duration selector. Pay-as-you-go: Fees are calculated on a daily basis. No duration selection is required.

Click Buy Now at the bottom of the page.
Note
- Pay-as-you-go: You can purchase a feature multiple times. You can add items to your cart, configure multiple orders, and then place them all at once.
- Subscription: You cannot purchase a feature multiple times. Each feature allows only one valid subscription order. To increase your quota, upgrade your feature specifications. For more information, see Upgrade service specifications.

What to do next

After you complete the purchase, you can view your orders by choosing > Billing > DMS Order Management in the top navigation bar of the DMS console.

Note

If you use the DMS console in normal mode, choose > DMS Order Management in the top navigation bar.