Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| id | BIGINT | 19 | √ | null |
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| contextid | BIGINT | 19 | null |
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Context is usually ignored in sync operations so that the cohorts may be moved freely around in the context tree without any side affects. |
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| name | VARCHAR | 254 |
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Short human readable name for the cohort, does not have to be unique |
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| idnumber | VARCHAR | 100 | √ | null |
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Unique identifier of a cohort, useful especially for mapping to external entities |
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| description | LONGTEXT | 2147483647 | √ | null |
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Standard description text box |
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| descriptionformat | TINYINT | 3 | null |
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| visible | BIT | 1 | 1 |
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Visibility to teachers |
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| component | VARCHAR | 100 |
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Component (plugintype_pluignname) that manages the cohort, manual modifications are allowed only when set to NULL |
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| timecreated | BIGINT | 19 | null |
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| timemodified | BIGINT | 19 | null |
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| theme | VARCHAR | 50 | √ | null |
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Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| coho_con4_ix | Performance | Asc | contextid |
Relationships
Close relationships within degrees of separation
