For more information, please see Initializing Instance.
TencentDB for MariaDB does not support downgrading currently.
You can restart a TencentDB for MariaDB instance in the console, which, however, is not recommended.
Read/write separation of database is not configured automatically. You need to first create a read-only account in the console, and modify the program configuration.
The deletion method is similar to batch insertion. You are recommended to delete small amounts of data (e.g., 10,000 entries) at a time and repeat the operation multiple times.
The TencentDB for MariaDB console supports most common database parameters and sets security thresholds for them. If a parameter to be modified does not exist or cannot be modified to a specific value, please submit a ticket for assistance and we will process it as soon as possible.
mysqldump is easy to use but requires long downtime, so it is only suitable for small amounts of data or situations that allows relatively long downtime.
For more information, please see Importing Data with mysqldump.
TencentDB for MariaDB can roll back data to any time point in the last 30 days based on the retention of backups and logs. With the database rollback feature, system loss can be minimized.
For more information, please see Rolling back Databases.