| D_Comment |
| Logical Entity Name | D_Comment |
| Default Table Name | D_Comment |
| Definition | Comment dictionary |
| D_Comment Attributes |
| Attribute/Logical Rolename | Domain | Datatype | NULL | Definition |
| id |
NUMERIC(8, 0) | NO | A cross reference code to indicate this particular dictionary entry | |
| class | VARCHAR(1) | NO | A single letter that determines to what the code refers | |
| description | VARCHAR(70) | YES | This is a description of a comment | |
| unit | NUMERIC(8, 0) | NO | Units of comment level |
| D_Comment Keys |
| Key Name | Key Type | Keys |
| D_C00 | PrimaryKey | id |
| D_Comment Relationships |
| Parent Relationships: |
| Entity Name | Type | Cardinality | Business Name | VerbPhrase | InversePhrase | Foreign Keys | Is Supertype |
| Child Relationships: |
| Entity Name | Type | Cardinality | Business Name | VerbPhrase | InversePhrase | Foreign Keys | Is Subtype |
| Channel_Comment | Identifying | One To Zero or More | NO | ||||
| Station_Comment | Identifying | One To Zero or More | NO |
| D_Comment Check Constraints |
| Check Constraint Name | CheckConstraint |