Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| id | INT | 10 | √ | null |
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| arBookId | INT | 10 | null |
|
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| arSubjectId | INT | 10 | null |
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Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| arBookId | Must be unique | Asc/Asc | arBookId + arSubjectId |
Relationships
Close relationships within degrees of separation
