Question 33 In an inventory management system implemented at a trading corporation, there are several tables designed to hold all the information. Amongst these, the following […]

Question 37 Consider a database with three relation instances shown below. The primary keys for the Drivers and Cars relation are did and cid respectively and […]

Question 30 Consider a database with three relation instances shown below. The primary keys for the Drivers and Cars relation are did and cid respectively and […]

Question 33 Consider the table employee(empId, name, department, salary) and the two queries Q1,Q2 below. Assuming that department 5 has more than one employee, and we […]