There are six tables describing a company’s database, descr
There are six tables describing a company’s database, describing… There are six tables describing a company’s database, describing employees, departments, buildings, which department(s) an employee works in (and a percentage of the time for each), department managers (possibly more than one per department), and in which building an employee works (an employee may have more than one office). The primary key of each table is the attribute(s) in capitals. Other attributes are not necessarily unique. EMPLOYEE(EID, EName, Salary, Start_Date, End_Date)DEPARTMENT(DID, DName, Annual_Budget)BUILDING(BID, BName, Address)IN_DEPARTMENT(EID, DID, Percent_Time)IN_BUILDING(EID, BID, ROOM)MANAGES_DEPARTMENT(EID, DID) I. Express the following queries in Algebra and SQL (1 to 6) Which employees (EID, EName ) share their office with John?Who are the managers (EID, EName, DID ) of the departments John works?Which buildings (BID, BName) host at least one employee working for the Computing department?Which employees work for both the Computing and the Finance departmentsWhich employees do not work for the Computing department?Which employees work only for the Computing department?Which employees work for all the departments?List the number of employees working for each department.Which department has the maximum number of employees working 100% for that department?Find pairs of employees who work for exactly the same sets of departments [Bonus points for the students who finished too early]Engineering & Technology Computer Science CST CST3504
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