Participants
Users associated with either a course or an assignment
Participants variable documentation
| Field Name | Type | Description | 
|---|---|---|
| id | int(11) | The unique record id | 
| submit_allowed | tinyint(1) | true if participant is allowed to submit to this assignment | 
| review_allowed | tinyint(1) | true if the participant is allowed to review. | 
| user_id | int(11) | User id of the participant | 
| parent_id | int(11) | Id of corresponding assignment for which the user is a participant in. | 
| directory_num | int(11) | number of user's submission directory for this assignment | 
| submitted_at | datetime | time that original version was submitted, i.e., time that the _last_ file was submitted to that version # note that lateness of REsubmissions is tracked in the resubmission_times table. The lateness of resubmissions is cumulative; e.g., if you're late by 2 days on the first resubmission and late by 1 day on the second, you're late by 3 days on resubmissions overall | 
| topic_id | int(11) | the topic, if any, that the participant selected for this assignment | 
| permission_granted | tinyint(1) | whether user has granted permission to "publish" this work | 
| penalty_accumulated | int(10) | total penalty accumulated since the first submission deadline in minutes | 
| submitted_hyperlink | text | URL of the submitted homework | 
| grade | float | the overall grade of the student | 
| type | varchar(255) | type of participant, either an AssignmentParticipant or a CourseParticipant | 
E/R diagram for Parents Tables
Tables referred by the Assignment Table as Foreign Key Relationship.
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