1)make er diagram for this picture.

2)explain this picture in simple language.

3) explain relation between table(like one to one or many to one or many to many).

Schema Diagram for University Database takes ID Course_id student ID name dept_naire tot_cred ser_id semester year grade advisor section course id sec id semester year building room_no time_slot_id course course id title dept_name credits si department dept_name building budget time_slot time_slot_id day start time end_time instructor prereg Course_id prereg ind classroom building room_no capacity ID 7227e dept_name salary teaches ID Course_id sec id semester year