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        • Introduction - Distributed Database Middleware

          Introduction - Distributed Database Middleware

          Policies that contain actions for both IAM and enterprise projects can be used and take effect for both IAM and Enterprise Project Management Service (EPS). Policies that only contain actions supporting IAM projects can be assigned to user groups and only take effect for IAM.

          Help > Distributed Database Middleware > API Reference > Permissions Policies and Supported Actions
        • Concepts - Distributed Database Middleware

          Concepts - Distributed Database Middleware

          IAM user An IAM user is created using an account to use cloud services. Each IAM user has its own identity credentials (password and access keys). An IAM user can view the account ID and user ID on the API Credentials page of the management console.

          Help > Distributed Database Middleware > API Reference > Before You Start
        • Reloading Table Data - Distributed Database Middleware

          Reloading Table Data - Distributed Database Middleware

          Reloading Table Data Table 1 Permissions for managing logical tables Permission API Action IAM Project Enterprise Project Reloading table data POST /v1/{project_id}/instances/{instance_id}/reload-config ddm:instance:modify √ √ Parent topic: Permissions Policies and Supported Actions

          Help > Distributed Database Middleware > API Reference > Permissions Policies and Supported Actions
        • Reloading Table Data - Distributed Database Middleware

          Reloading Table Data - Distributed Database Middleware

          You can obtain the token by calling the IAM API used to obtain a user token.

          Help > Distributed Database Middleware > API Reference > APIs (Recommended) > DDM Instances
        • Permissions Management - Distributed Database Middleware

          Permissions Management - Distributed Database Middleware

          For example, you can grant IAM users only the permissions for managing a certain type of DDM resources.

          Help > Distributed Database Middleware > Service Overview
        • Instance Management - Distributed Database Middleware

          Instance Management - Distributed Database Middleware

          Instance Management Table 1 DDM instance management Permission API Action IAM Project Enterprise Project Buying a pay-per-use instance Buying a yearly/monthly DDM instance POST /v1/{project_id}/instances ddm:instance:create Before buying a DDM instance, obtain the following dependent

          Help > Distributed Database Middleware > API Reference > Permissions Policies and Supported Actions
        • Account Management - Distributed Database Middleware

          Account Management - Distributed Database Middleware

          Account Management Table 1 Account management permissions Permission API Actions IAM Project Enterprise Project Creating a DDM Account POST /v1/{project_id}/instances/{instance_id}/users ddm:user:create √ √ Querying DDM Accounts GET /v1/{project_id}/instances/{instance_id}/users?

          Help > Distributed Database Middleware > API Reference > Permissions Policies and Supported Actions
        • Validating Password Strength - Distributed Database Middleware

          Validating Password Strength - Distributed Database Middleware

          Request Parameters Table 2 Request header parameters Parameter Mandatory Type Description x-auth-token Yes String User token You can obtain the token by calling the IAM API used to obtain a user token.

          Help > Distributed Database Middleware > API Reference > APIs (Recommended) > Accounts
        • Modifying the Name of a DDM Instance - Distributed Database Middleware

          Modifying the Name of a DDM Instance - Distributed Database Middleware

          You can obtain the token by calling the IAM API used to obtain a user token. Table 3 Request body parameters Parameter Mandatory Type Description name Yes String Name of a DDM instance, which: Can include 4 to 64 characters. Must start with a letter.

          Help > Distributed Database Middleware > API Reference > APIs (Recommended) > DDM Instances
        • Killing Logical Sessions - Distributed Database Middleware

          Killing Logical Sessions - Distributed Database Middleware

          You can obtain the token by calling the IAM API used to obtain a user token. Table 3 Request body parameters Parameter Mandatory Type Description process_ids Yes String Session ID set. Value range: 1 to 100.

          Help > Distributed Database Middleware > API Reference > APIs (Recommended) > Session Management
        • Schema Management - Distributed Database Middleware

          Schema Management - Distributed Database Middleware

          Schema Management Table 1 Schema management actions Permission API Actions IAM Project Enterprise Project Creating a Schema POST /v1/{project_id}/instances/{instance_id}/databases ddm:database:create √ √ Querying Schemas GET /v1/{project_id}/instances/{instance_id}/databases?

          Help > Distributed Database Middleware > API Reference > Permissions Policies and Supported Actions
        • Synchronizing Data Node Information - Distributed Database Middleware

          Synchronizing Data Node Information - Distributed Database Middleware

          You can obtain the token by calling the IAM API used to obtain a user token.

          Help > Distributed Database Middleware > API Reference > APIs (Recommended) > DDM Instances
        • Resetting the Password of an Account - Distributed Database Middleware

          Resetting the Password of an Account - Distributed Database Middleware

          Ensure that you have the IAM permission to modify DDM accounts. An expired account of DDM cannot be used to log in to the system. You need to reset the password and log in again. Figure 1 Account expired Procedure Log in to the DDM console.

          Help > Distributed Database Middleware > User Guide > Account Management
        • Obtaining a Project ID - Distributed Database Middleware

          Obtaining a Project ID - Distributed Database Middleware

          {Endpoint} is the IAM endpoint and can be obtained from Regions and Endpoints. For details about API authentication, see Authentication.

          Help > Distributed Database Middleware > API Reference > Appendix
        • Killing Physical Sessions - Distributed Database Middleware

          Killing Physical Sessions - Distributed Database Middleware

          You can obtain the token by calling the IAM API used to obtain a user token. Table 3 Request body parameters Parameter Mandatory Type Description process_ids Yes String Session ID set. Value range: 1 to 100. Example Request Delete a physical session of a DDM instance.

          Help > Distributed Database Middleware > API Reference > APIs (Recommended) > Session Management
        • Managing the Administrator Password - Distributed Database Middleware

          Managing the Administrator Password - Distributed Database Middleware

          ID of a tenant in a region To obtain this value, see Obtaining a Project ID. instance_id Yes String DDM instance ID Request Parameters Table 2 Request header parameters Parameter Mandatory Type Description x-auth-token Yes String User token You can obtain the token by calling the IAM

          Help > Distributed Database Middleware > API Reference > APIs (Recommended) > Accounts
        • Changing the Security Group of a DDM Instance - Distributed Database Middleware

          Changing the Security Group of a DDM Instance - Distributed Database Middleware

          You can obtain the token by calling the IAM API used to obtain a user token. Table 3 Request body parameters Parameter Mandatory Type Description security_group_id Yes String Security group ID. The default value is the original security group ID.

          Help > Distributed Database Middleware > API Reference > APIs (Recommended) > DDM Instances
        • Making an API Request - Distributed Database Middleware

          Making an API Request - Distributed Database Middleware

          For example, to obtain an IAM token in the CN-Hong Kong region, obtain the endpoint of IAM (iam.ap-southeast-1.myhuaweicloud.com) for this region and the resource-path (/v3/auth/tokens) in the URI of the API used to obtain a user token.

          Help > Distributed Database Middleware > API Reference > Calling APIs
        • Deleting a DDM Account - Distributed Database Middleware

          Deleting a DDM Account - Distributed Database Middleware

          a Project ID. instance_id Yes String DDM instance ID username Yes String Username of the DDM account to be deleted Request Parameters Table 2 Request header parameters Parameter Mandatory Type Description X-Auth-Token Yes String User token You can obtain the token by calling the IAM

          Help > Distributed Database Middleware > API Reference > APIs (Recommended) > Accounts
        • Creating a User and Granting Permissions - Distributed Database Middleware

          Creating a User and Granting Permissions - Distributed Database Middleware

          With IAM, you can: Create IAM users for employees based on the organizational structure of your enterprise. Each IAM user has their own security credentials for accessing DDM resources.

          Help > Distributed Database Middleware > User Guide > Permissions Management
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