Question 1 A) Give 5 different case study tables (e.g 1. University, online shopping, vending machine etc) and mention the following detail about each relation. 1. Super Key 2. Candidate Keys 3. Composite Key 4. Primary Key (PK) 5. Alternate Keys 6. Surrogate Key 7. Secondary Key, Sort Key 8. Foreign Key (FK) 9. Non-key attribute B) Write SQL commands in order to create the above database examples. Question 2 Give 5 different example of each type or relation i.e (Base relation, Query result , views)