Translate the following queries into extended Relational Algebra (Use COUNT to do this one) Find every...

Question

Question

Translate the following queries into extended Relational Algebra

(Use COUNT to do this one) Find every person who is skilled in the manufacture of every product manufactured by 111-22-3333.

engineering Computer-Science

Answer 1

Answer #1

80-esgon-sgo Eskitle Ml. Skille.ssn=pesson-Ssn cpe sons and mancepco ([{ -2 2-3533) pasten

Answer 2

Similar Homework Help Questions

Translate the following query into extended Relational Algebra Find every person who is skilled at the...

Translate the following query into extended Relational Algebra Find every person who is skilled at the manufacture of more products manufactured by company 111-22-3333 than the average number of the company’s products at which employees of the company are skilled company(co_name, govt id, ceo_ssn, hq_loc) division(co id, div name, subdiv_of, dir_ssn, div_hq) site(co id, divname, loc) product(prod id, manuf co, manuf_div, loc, prod_descr) person(ssn, name, address) works_for(ssn, co id, div_name, salary, emp_id, sup_ssn) skill(ssn, prod id, manuf co company(co_name, govt...
Consider following relational database schema and translate the queries ‘a’ and ‘b’ into relational algebra expressions...

Consider following relational database schema and translate the queries ‘a’ and ‘b’ into relational algebra expressions Teacher(ID, Name, Designation, Phone, Address) Course(CourseCode, CourseName, CreditHour) Taught(TeacherID, CourseCode, Semester) a. SELECT Name, Address FROM Teacher, Taught WHERE Teacher.ID=Taught.TeacherID and CourseCode=’IT344’ b. SELECT CourseName FROM Course, Taught WHERE Course.CourseCode=Taught.CourseCode and TeacherID=200