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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

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

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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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 Answer A B U D
Transcribed Image Text: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 Answer A B U D
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