Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
|---|---|---|---|---|---|---|---|---|---|---|
| id | BIGINT | 19 | √ | null |
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| lessonid | BIGINT | 19 | 0 |
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|
Foreign key references lesson.id |
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| groupid | BIGINT | 19 | √ | null |
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Foreign key references groups.id. Can be null if this is a per-user override. |
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| userid | BIGINT | 19 | √ | null |
|
|
Foreign key references user.id. Can be null if this is a per-group override. |
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| available | BIGINT | 19 | √ | null |
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|
Time at which students may start attempting this lesson. Can be null, in which case the lesson default is used. |
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| deadline | BIGINT | 19 | √ | null |
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Time by which students must have completed their attempt. Can be null, in which case the lesson default is used. |
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| timelimit | BIGINT | 19 | √ | null |
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Time limit in seconds. Can be null, in which case the lesson default is used. |
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| review | SMALLINT | 5 | √ | null |
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| maxattempts | SMALLINT | 5 | √ | null |
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| retake | SMALLINT | 5 | √ | null |
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| password | VARCHAR | 32 | √ | null |
|
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Lesson password. Can be null, in which case the lesson default is used. |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| lessover_gro4_ix | Performance | Asc | groupid |
| lessover_les4_ix | Performance | Asc | lessonid |
| lessover_use4_ix | Performance | Asc | userid |
Relationships
Close relationships within degrees of separation
