Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | 
|---|---|---|---|---|---|---|---|---|
| variable_id | INT | 10 | 0 |  |  | |||
| question_fi | INT | 10 | 0 |  |  | |||
| variable | VARCHAR | 255 | √ | null |  |  | ||
| range_min | DOUBLE | 22 | 0 |  |  | |||
| range_max | DOUBLE | 22 | 0 |  |  | |||
| unit_fi | INT | 10 | 0 |  |  | |||
| step_dim_min | INT | 10 | 0 |  |  | |||
| step_dim_max | INT | 10 | 0 |  |  | |||
| varprecision | INT | 10 | 0 |  |  | |||
| intprecision | INT | 10 | 1 |  |  | |||
| range_min_txt | VARCHAR | 4000 | √ | null |  |  | ||
| range_max_txt | VARCHAR | 4000 | √ | null |  |  | 
Indexes
| Constraint Name | Type | Sort | Column(s) | 
|---|---|---|---|
| PRIMARY | Primary key | Asc | variable_id | 
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