Changes between Version 9 and Version 10 of ERModel
- Timestamp:
- 09/02/26 15:31:30 (4 days ago)
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ERModel
v9 v10 259 259 * '''Candidate keys:''' student_index + activity session key is chosen as the primary key because one student should have at most one participation record for the same activity session. 260 260 * '''Attributes:''' 261 * rsvp_status: text, required, controlled value such as going, not going, maybe, or de ault = no response.261 * rsvp_status: text, required, controlled value such as going, not going, maybe, or default = no response. 262 262 * rsvp_at: timestamp, optional until an RSVP is submitted; required when an RSVP is recorded. 263 263 * attendance_status: text, required when attendance is checked, controlled value such as present, absent, excused, late, online, left early or not checked.
