Columns
Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
---|---|---|---|---|---|---|---|---|---|---|
id | BIGINT | 19 | √ | null |
|
|
||||
questionattemptid | BIGINT | 19 | null |
|
|
Foreign key, references question_attempt.id |
||||
sequencenumber | BIGINT | 19 | null |
|
|
Numbers the steps in a question attempt sequentially. |
||||
state | VARCHAR | 13 |
|
|
One of the constants defined by the question_state class, giving the state of the question at the end of this step. |
|||||
fraction | DECIMAL | 12,7 | √ | null |
|
|
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. |
|||
timecreated | BIGINT | 19 | null |
|
|
Time-stamp of the action that lead to this state being created. |
||||
userid | BIGINT | 19 | √ | null |
|
|
The user whose action lead to this state being created. |
Indexes
Constraint Name | Type | Sort | Column(s) |
---|---|---|---|
PRIMARY | Primary key | Asc | id |
quesattestep_que_ix | Performance | Asc | questionattemptid |
quesattestep_queseq_uix | Must be unique | Asc/Asc | questionattemptid + sequencenumber |
quesattestep_use_ix | Performance | Asc | userid |