Constraints
To ensure the stability and security of GaussDB(for MySQL), certain constraints are put in place for access or permission control. Table 1 and Table 2 describe such constraints.
Function |
Constraint |
---|---|
GaussDB(for MySQL) access |
|
Database root permissions |
Only the root permissions for primary/standby instances are available on the instance creation page. |
Database parameter modification |
Most parameters can be modified on the GaussDB(for MySQL) console. |
Data migration |
The mysqldump tool can be used to migrate data to GaussDB(for MySQL). |
GaussDB(for MySQL) instance reboot |
GaussDB(for MySQL) instances can only be rebooted on the GaussDB(for MySQL) console. |
GaussDB(for MySQL) backup files |
GaussDB(for MySQL) backup files are stored in OBS buckets and are not visible to you. |
Parameter |
Constraint |
---|---|
DB instance name |
The name can contain 4 to 64 characters and must start with a letter. Only letters, digits, hyphens (-), and underscores (_) are allowed. |
Database name |
The name can contain 1 to 64 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed. The total number of hyphens (-) cannot exceed 10. |
Non-administrator account |
The account can contain 1 to 32 characters. Only letters, digits, and underscores (_) are allowed. |
Password |
The password can contain 8 to 32 characters and must consist of at least three types of the following characters: uppercase letters, lowercase letters, digits, and special characters (~!@#$%^*-_=+?,()&). |
Parameter template name |
The template name can contain 1 to 64 characters. Only letters (case-sensitive), digits, hyphens (-), underscores (_), and periods (.) are allowed. |
Backup name |
The backup name can consist of 4 to 64 characters and must start with a letter. Only letters (case-sensitive), digits, hyphens (-), and underscores (_) are allowed. |
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