Changes

| style="text-align: center;" | 1 || Searches a lecture by using the calendar , and clicks the lecture label. || Returns a page with editable fields regarding the respective lecture. || Database is not affectedAll field in the 'lecture', 'lecture_schedule', 'lecture_presentation', 'lecture_attendance', and 'guest_lecturer' tables are used.

| style="text-align: center;" | 2 || Chooses to delete lecture by clicking the "Delete" button. || Prompts if lecture shall really be deleted. || Database is not affectedAll field in the 'lecture', 'lecture_schedule', 'lecture_presentation', 'lecture_attendance', and 'guest_lecturer' tables are used.

| style="text-align: center;" | 3 || Confirms whether or not lecture shall be deleted. || Deletes lecture and schedule details. || All lecture data (lecture title, if camera activation will only be available for the presenter, if a whiteboard will be used, if the lecture will be recorded, lecture date, lecture schedule, and attendees white-list definitions) is deleted from the database. All field in the 'lecture', 'lecture_schedule', 'lecture_presentation', 'lecture_attendance', and 'guest_lecturer' tables are used.