Databases: time fields in the mdl_user_students

Databases: time fields in the mdl_user_students

by Gregor Rekus -
Number of replies: 2
Could somebody tell me what ist the meaning of the fields: timestart and timeend in the mdl_user_students table.
These fields are filled with 0s in my Moodle database so I can't explain the usage of these fields to myself.
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