Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
|---|---|---|---|---|---|---|---|---|---|---|
| customer_id1 | BIGINT UNSIGNED | 20 | null |
|
|
顧客ID |
||||
| customer_id2 | BIGINT UNSIGNED | 20 | null |
|
|
顧客ID |
||||
| denied_at | TIMESTAMP | 26 | √ | null |
|
|
同一人物ではないとした日時 |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| relationship_candidates_customer_id1_customer_id2_unique | Must be unique | Asc/Asc | customer_id1 + customer_id2 |
| relationship_candidates_customer_id2_foreign | Performance | Asc | customer_id2 |
Relationships
Close relationships within degrees of separation
