Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments |
|---|---|---|---|---|---|---|---|---|
| id | VARCHAR | 36 | null |
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| user_id | VARCHAR | 36 | √ | null |
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| centre_id | VARCHAR | 36 | √ | null |
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| lesson_id | VARCHAR | 36 | null |
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| subject_id | VARCHAR | 36 | null |
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| score | DECIMAL | 8,4 | √ | null |
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| created_at | DATETIME | 19 | √ | null |
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| updated_at | DATETIME | 19 | √ | null |
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| course_id | VARCHAR | 36 | √ | null |
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| language_id | VARCHAR | 36 | √ | null |
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| activity | LONGTEXT | 2147483647 | √ | null |
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| result | VARCHAR | 100 | √ | null |
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| tenant_id | VARCHAR | 36 | √ | null |
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| old_data_id | INT | 10 | √ | null |
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| completed | BIT | 1 | √ | null |
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0:Not Completed,1:Completed |
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| rating | INT | 10 | √ | null |
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0=>skipped 1-5 =>rating |
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| resume_value | BIGINT | 19 | √ | null |
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| subject_progress_flag | BIT | 1 | √ | 0 |
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| course_progress_flag | BIT | 1 | √ | 0 |
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| duration | INT | 10 | 0 |
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| completed_at | DATETIME | 19 | √ | null |
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| lesson_progress_flag | BIT | 1 | √ | 0 |
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| ksdc_status | INT | 10 | 0 |
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| ksdc_response | TEXT | 65535 | √ | null |
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| sidp_status | TINYINT | 3 | √ | 0 |
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| last_score | DECIMAL | 8,4 | √ | null |
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| last_subactivity_id | VARCHAR | 36 | √ | null |
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| initiate | TINYINT | 3 | √ | 0 |
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| new_subactivity_id | VARCHAR | 36 | √ | null |
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| subactivity_id | VARCHAR | 36 | √ | null |
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Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| centre_id | Performance | Asc | centre_id |
| completed | Performance | Asc | completed |
| course_id | Performance | Asc | course_id |
| idx_la_sidp_completed_subject_user | Performance | Asc/Asc/Asc/Asc/Asc | sidp_status + completed + subject_id + user_id + id |
| idx_la_user_lesson_subjects | Performance | Asc/Asc/Asc | user_id + lesson_id + subject_id |
| idx_learning_activities_created_at | Performance | Asc | created_at |
| learning_activities_lesson_id_IDX | Performance | Asc/Asc | lesson_id + completed |
| learning_activities_user_id_completed_IDX | Performance | Asc/Asc | user_id + completed |
| learning_activities_user_id_IDX | Performance | Asc/Asc/Asc | user_id + lesson_id + completed |
| lesson_id | Performance | Asc | lesson_id |
| subject_id | Performance | Asc | subject_id |
| unique_user_lesson | Must be unique | Asc/Asc | user_id + lesson_id |
| user_id | Performance | Asc | user_id |
Relationships
Close relationships within degrees of separation
