Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments |
|---|---|---|---|---|---|---|---|---|
| uuid() | VARCHAR | 36 |
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| user_id | VARCHAR | 36 | √ | null |
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| centre_id | VARCHAR | 36 | √ | null |
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| completed_lessons | BIGINT | 19 | 0 |
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| activity_count | VARCHAR | 1 |
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