| Field | Description | Type | Null | Key | Default | Extra |
| ----- | ----------- | ---- | ---- | --- | ------- | ----- |
-| id | Password ID for revocation | mediumint unsigned | YES | PRI | | auto_increment |
-| uid | User ID | mediumint unsigned | YES | | | |
-| description | Description of the usage of the password | varchar(255) | NO | | | |
-| hashed_password | Hashed password | varchar(255) | YES | | | |
-| generated | Datetime the password was generated | datetime | YES | | | |
-| last_used | Datetime the password was last used | datetime | NO | | | |
+| id | Password ID for revocation | mediumint unsigned | NO | PRI | NULL | auto_increment |
+| uid | User ID | mediumint unsigned | NO | | NULL | |
+| description | Description of the usage of the password | varchar(255) | YES | | NULL | |
+| hashed_password | Hashed password | varchar(255) | NO | | NULL | |
+| generated | Datetime the password was generated | datetime | NO | | NULL | |
+| last_used | Datetime the password was last used | datetime | YES | | NULL | |
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