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NOTE: Please, if you cannot answer all the 6 questions, just leave it for someone who can. Also, Please i need this ASAP, and write
NOTE: Please, if you cannot answer all the 6 questions, just leave it for someone who can. Also, Please i need this ASAP, and write in clear way, so i can figure out what you have written. Thanks so much
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The following tables form part of a database held in an RDBMS: Employee (empNo, fName, IName, address, DOB, sex, position, deptNo) Department (deptNo, deptName, mgrEmpNo) Project WorksOn (empNo, projNo, dateWorked, hoursWorked) where Employee contains employee details and empNo is the key projNo, projName, deptNo) Department cins department details and deptNo is the key. mgrEmpNo identifies the employee who is the manager of the department. There is only one manager for each department. contains details of the projects in each department and the key is projNo (no two departments can run the same project). and WorksOn ins details of the hours worked by employees on each project, and empNo projNo/dateWorked form the key Formulate the following queries in relational algebra, tuple relational calculus, and domain relation calculus. List all employees . List all the details of employees who are female List the names and addresses of all employees who are managers . Produce a list of the names and addresses of all employees who work for the IT department Produce a list of the names of all employees who work on the SCCS project . Produce a complete list of all managers who are due to retire this year, in alphabetical order of surnameStep by Step Solution
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