| フィールド名 | データ型 | 制約 | 主キー | 外部キー | 説明文 |
|---|---|---|---|---|---|
| date_added | timestamp | not null | - | - | date_added |
| last_modified | timestamp | - | - | last_modified | |
| tax_class_description | text | not null | - | - | tax_class_description |
| tax_class_title | text | not null | - | - | tax_class_title |
| tax_class_id | serial | ○ | - | tax_class_id |