Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
|---|---|---|---|---|---|---|---|---|---|---|
| id | BIGINT | 19 | √ | null |
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| questionattemptid | BIGINT | 19 | null |
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Foreign key, references question_attempt.id |
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| sequencenumber | BIGINT | 19 | null |
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Numbers the steps in a question attempt sequentially. |
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| state | VARCHAR | 13 |
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One of the constants defined by the question_state class, giving the state of the question at the end of this step. |
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| fraction | DECIMAL | 12,7 | √ | null |
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The grade for this question, when graded out of 1. Needs to be multiplied by question_attempt.maxmark to get the actual mark for the question. |
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| timecreated | BIGINT | 19 | null |
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Time-stamp of the action that lead to this state being created. |
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| userid | BIGINT | 19 | √ | null |
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The user whose action lead to this state being created. |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| quesattestep_que4_ix | Performance | Asc | questionattemptid |
| quesattestep_queseq2_uix | Must be unique | Asc/Asc | questionattemptid + sequencenumber |
| quesattestep_use4_ix | Performance | Asc | userid |
Relationships
Close relationships within degrees of separation
