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Computer Engineering
Consider the following relations: emp(empno, ename, age, job, salary, dob, doj, deptno) Find employees who earns highest salary for their job (A) select ename, job, salary from emp where sal in (select max(sal) from emp group by job); (B) select ename, job, salary from emp where (job, sal) in(select job, max(sal) from emp group by job); (C) select ename, job, salary from emp where (job, sal) = (select job, max(sal) from emp group by job); (D) Both B and C

Consider the following relations: emp(empno, ename, age, job, salary, dob, doj, deptno) Find employees who earns highest salary for their job (A) select ename, job, salary from emp where sal in (select max(sal) from emp group by job); (B) select ename, job, salary from emp where (job, sal) in(select job, max(sal) from emp group by job); (C) select ename, job, salary from emp where (job, sal) = (select job, max(sal) from emp group by job); (D) Both B and C

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider the following relations:

emp(empno, ename, age, job, salary, dob, doj, deptno)

Find employees who earns highest salary for their job

(A) select ename, job, salary from emp where sal in (select max(sal) from emp group by job);

(B) select ename, job, salary from emp

where (job, sal) in(select job, max(sal) from emp group by job);

(C) select ename, job, salary from emp where (job, sal) = (select job, max(sal) from emp group by job);

(D) Both B and C

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