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 of the first student submission to this assignment. |
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| timemodified | BIGINT | 19 | 0 |
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The last time this assignment submission was modified by a student. |
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| timestarted | BIGINT | 19 | √ | null |
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The time when the student stared the submission. |
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| status | VARCHAR | 10 | √ | null |
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The status of this assignment submission. The current statuses are DRAFT and SUBMITTED. |
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| groupid | BIGINT | 19 | 0 |
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The group id for team submissions |
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| attemptnumber | BIGINT | 19 | 0 |
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Used to track attempts for an assignment |
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| latest | TINYINT | 3 | 0 |
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Greatly simplifies queries wanting to know information about only the latest attempt. |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| assisubm_ass2_ix | Performance | Asc | assignment |
| assisubm_assusegroatt2_uix | Must be unique | Asc/Asc/Asc/Asc | assignment + userid + groupid + attemptnumber |
| assisubm_assusegrolat2_ix | Performance | Asc/Asc/Asc/Asc | assignment + userid + groupid + latest |
| assisubm_att2_ix | Performance | Asc | attemptnumber |
| assisubm_use2_ix | Performance | Asc | userid |
Relationships
Close relationships within degrees of separation
