Using https://www.chegg.com/homework-help/questions-and-answers/1-given-simple-doctor-treats-patient-database-schema-contains-three-files-describing-infor-q44074464?trackid=EWC6W6w4 please answer the following question:

2) Recall that a database has many types of users, each of whom may require a different view of the database. For example, Doctor-Treats-Patient database schema of question 1 may be accessing and printing the details and balances owing for each patient treated by each doctor frequently and thus a view for this user is created. Another view for this database is checking the age of each patient so the information can be used by the doctor for treatment.

i) Using this Doctor-Treats-Patient database, give 2 additional views that may be needed by other user groups for the database.

ii) Give 5 examples of integrity constraints that you think can apply to the Doctor-Treats-Patient database database of question 1.