Question 1. Consider an ER diagram given below for Bank database. Which is the correct statement regarding the above diagram (a) Bank-Branch is the weak entity (b) Branch No of the Bank-Branch entity is a partial Key (c) The Participation of BANK in BRANCHES Relationship is partial (d) All of the above Question 2: Construct an E-R diagram for the registrar's office and construct appropriate tables. A university registrar's office maintains data about the following entities: (a) courses, including number, title, credits, syllabus, and prerequisites; (b) course offerings, including course number, year, semester, section number, instructor(s), timings, and classroom; (c) students, including student-id, name, and program; and (d) instructors, including identification number, name, department, and title. Further, the enrollment of students in courses and grades awarded to students in each course they are enrolled for must be appropriately modeled. Question 3: Creating an Entity-Relationship Diagram. - UPS prides itself on having up-to-date information on the processing and current location of each shipped item. - To do this, UPS relies on a company-wide information system. Shipped items are the heart of the UPS product tracking information system. Shipped items can be characterized by item number (unique), weight, dimensions, insurance amount, destination, and final delivery date. - Shipped items are received into the UPS system at a single retail center. Retail centers are characterized by their type, - Shipped items are received into the UPS system at a single retail center. Retail centers are characterized by their type, uniqueID, and address. Shipped items make their way to their destination via one or more standard UPS transportation events (i.e., flights, truck deliveries). These transportation events are characterized by a unique scheduleNumber, a type (e.g, flight, truck), and a deliveryRoute. Please create an Entity Relationship diagram that captures this nformation about the UPS system. Be certain to indicate dentifiers and cardinality constraints