Deleting a Schema

Precautions

Deleted DDM instances cannot be recovered. Exercise caution when performing this operation.

Procedure

1. Log in to the DDM console.
2. In the instance list, locate the DDM instance whose schemas you want to delete and click its name.
3. On the displayed page, in the navigation pane, choose Schemas.
4. In the schema list, locate the schema that you want to delete and click Delete in the Operation column.
5. In the displayed dialog box, click Yes.
   

   • Your schema will become faulty if you delete its associated data nodes by clicking the Delete button in the schema list.
   • To delete data stored on the associated data nodes, select Delete data on data nodes in the displayed dialog box.
   • If you want to delete a schema, check whether there are data nodes associated with this schema. If the associated instances have been deleted, click Synchronize Data Node Information and delete the schema.
   • If the associated data nodes are not deleted but their information is modified, such as the instance name, engine, engine version, maximum connections, port number, or IP address, click Synchronize Data Node Information and delete the schema.