(a) (i) Explain the term schema as used in the Database Management Systems. (ii) (b) (c) (2 marks) With the aid of a diagram, explain the two categories of database schema as used in database design. (6 marks) Distinguish between distributed architecture and client/server architecture as used in Database Management Systems. (4 marks) In a college, a student is identified by admission number, names which consists of the first and the second name, date of birth and age which is derived from the date of birth, their phone numbers which include that of the guardian. Each student belongs to a class which is identified by a class name. Students are free to register in one or more clubs. Each club is identified by a club name and club identification code. Represent the information using an entity relationship diagram. (8 marks)