After creating a TencentDB for MySQL instance, you need to initialize it before you can enable it.
Log in to MySQL Console and select a region. In the instance list, locate the desired "Uninitialized" instance, and click Initialize in "Operation" column.
In the initialization dialog box that pops up, configure the parameters, and click OK.
In the initialization dialog box that pops up, click OK.
Return to the instance list. After the status of the instance changes to "Running", the instance can be used normally.
You can access TencentDB for MySQL over both the private and public networks from a Windows or Linux CVM instance. For more information, please see Connecting to MySQL Instance.