A company uses the RDS for mysql service of HUAWEI CLOUD. As the amount of data increases, the disk of the RDS instance is found to be full. Which of the following methods can be used to solve it? (Multiple choice)

A company uses the RDS for mysql service of HUAWEI CLOUD. As the amount of data increases, the disk of the RDS instance is found to be full. Which of the following methods can be used to solve it? (Multiple choice)
A . Change the storage type to super high 10, and then expand the disk capacity.
B . Expand the disk storage space size.
C . You can delete useless historical table data to free up space.
D . If the binlog log file occupies too much, you can contact a technician to clear the local binlog log to free up disk space.

Answer: BCD