correlated-subquery

Consider the following relational schema: employee ( empId, empName, empDept ) customer ( custId, custName, salesRepId, rating) SalesRepId is a foreign key referring to empId of th...

Consider the table employee(empId, name, department, salary) and the two queries Q 1 , Q 2 below. Assuming that department 5 has more than one employee, and we want to find the emp...

The relation book (title, price) contains the titles and prices of different books. Assuming that no two books have the same price, what does the following SQL query list? Select t...

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