Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| id | BIGINT | 19 | √ | null |
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| assignment | BIGINT | 19 | 0 |
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| userid | BIGINT | 19 | 0 |
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| timecreated | BIGINT | 19 | 0 |
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The time the assignment submission was first modified by a grader. |
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| timemodified | BIGINT | 19 | 0 |
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The most recent modification time for the assignment submission by a grader. |
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| grader | BIGINT | 19 | 0 |
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| grade | DECIMAL | 10,5 | √ | 0.00000 |
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The numerical grade for this assignment submission. Can be determined by scales/advancedgradingforms etc but will always be converted back to a floating point number. |
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| attemptnumber | BIGINT | 19 | 0 |
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The attempt number that this grade relates to |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| assigrad_ass4_ix | Performance | Asc | assignment |
| assigrad_assuseatt2_uix | Must be unique | Asc/Asc/Asc | assignment + userid + attemptnumber |
| assigrad_att2_ix | Performance | Asc | attemptnumber |
| assigrad_use2_ix | Performance | Asc | userid |
Relationships
Close relationships within degrees of separation
