| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments |
|---|---|---|---|---|---|---|---|---|
| id | bigserial | 19 | √ | nextval('app_quiz_question_statistics_id_seq'::regclass) |
|
|
||
| quizstatisticsid | int8 | 19 | null |
|
|
|||
| questionid | int8 | 19 | null |
|
|
|||
| slot | int8 | 19 | √ | null |
|
|
||
| subquestion | int2 | 5 | null |
|
|
|||
| s | int8 | 19 | 0 |
|
|
|||
| effectiveweight | numeric | 15,5 | √ | null |
|
|
||
| negcovar | int2 | 5 | 0 |
|
|
|||
| discriminationindex | numeric | 15,5 | √ | null |
|
|
||
| discriminativeefficiency | numeric | 15,5 | √ | null |
|
|
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