A list of confidentiality levels.
You can refer to the registered confidentiality level attributes, update time, or the time when a confidentiality object was registered to the confidentiality level or removed from the confidentiality level.
| Column name | Type | Constraint | Description | 
|---|---|---|---|
| clevid | bigint | primary key  | Identifier of the confidentiality level. | 
| clevname | varchar(63) | not null | Name of the confidentiality level. | 
| clevmatid | bigint | not null | Identifier of the confidentiality matrix to which the confidentiality level belongs. | 
| clevcomment | text | Comment. | |
| clevupdatetime | timestamp with time zone | not null | Update time of the confidentiality level itself. | 
| clevoperationtime | timestamp with time zone | The time when the confidentiality object was added/deleted. | |
| clevencalgorithm | text | not null | Encryption method. "none" for no encryption. AES128 and AES256 can be set. |