A teacher-defined extra question that gets asked from the students when they start a course. The question can be either for all students in a course or it can be only for the students that selected a specific course instance.
| Name | Type | Default | Nullable | Children | Parents | Comment |
|---|---|---|---|---|---|---|
| course_id | uuid | false | public.courses | The course this question applies to. If course_instance_id is null, this question will be asked from all students regardless which course instance they selected. | ||
| course_instance_id | uuid | true | public.course_instances | If set, this question will be asked only from the students that selected this specific course instance. | ||
| created_at | timestamp with time zone | now() | false | Timestamp when the record was created. | ||
| deleted_at | timestamp with time zone | true | Timestamp when the record was deleted. If null, the record is not deleted. | |||
| id | uuid | uuid_generate_v4() | false | public.course_background_question_answers | A unique, stable identifier for the record. | |
| question_text | varchar(512) | false | ||||
| question_type | course_background_question_type | false | ||||
| updated_at | timestamp with time zone | now() | false | Timestamp when the record was last updated. The field is updated automatically by the set_timestamp trigger. |
| Name | Type | Definition |
|---|---|---|
| course_background_questions_course_id_fkey | FOREIGN KEY | FOREIGN KEY (course_id) REFERENCES courses(id) |
| course_background_questions_course_instance_id_fkey | FOREIGN KEY | FOREIGN KEY (course_instance_id) REFERENCES course_instances(id) |
| course_background_questions_pkey | PRIMARY KEY | PRIMARY KEY (id) |
| Name | Definition |
|---|---|
| course_background_questions_pkey | CREATE UNIQUE INDEX course_background_questions_pkey ON public.course_background_questions USING btree (id) |
| Name | Definition |
|---|---|
| set_timestamp | CREATE TRIGGER set_timestamp BEFORE UPDATE ON public.course_background_questions FOR EACH ROW EXECUTE FUNCTION trigger_set_timestamp() |
Generated by tbls