Consider the relations: • PROJECT(proj#, proj_name) EMPLOYEE(emp#, emp_name) ASSIGNED(proj#, emp#) Choose the correct option that expresses the following query in SQL: Find the employees' names and his/her project names that the employees work. O A. Select proj_name from Project P, Employee E, Assigned A where A.proj#=P.proj# and E.emp#=A.emp# O B. Select emp_name, proj_name from Project P, Employee E, Assigned A where A.proj#=P.proj# and E.em p#=A.emp# O C. Select emp_name, proj_name from Project P, Em ployee E where A.proj#=P.proj# and E.em p#=A.emp# O D. Select * from Project P, Employee E, Assigned A where A.proj#=P.proj# and E.emp#=A.emp#
Consider the relations: • PROJECT(proj#, proj_name) EMPLOYEE(emp#, emp_name) ASSIGNED(proj#, emp#) Choose the correct option that expresses the following query in SQL: Find the employees' names and his/her project names that the employees work. O A. Select proj_name from Project P, Employee E, Assigned A where A.proj#=P.proj# and E.emp#=A.emp# O B. Select emp_name, proj_name from Project P, Employee E, Assigned A where A.proj#=P.proj# and E.em p#=A.emp# O C. Select emp_name, proj_name from Project P, Em ployee E where A.proj#=P.proj# and E.em p#=A.emp# O D. Select * from Project P, Employee E, Assigned A where A.proj#=P.proj# and E.emp#=A.emp#
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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Transcribed Image Text:Consider the relations:
• PROJECT(proj#, proj_name)
• EMPLOYEE(emp#, emp_name)
• ASSIGNED(proj#, emp#)
Choose the correct option that expresses the following query in SQL:
Find the employees' names and his/her project names that the employees work.
O A. Select proj_name
from Project P, Employee E, Assigned A
where A.proj#= P.proj# and E.emp#=A.emp#3
O B. Select emp_name, proj_name
from Project P, Employee E, Assigned A
where A.proj#= P.proj# and E.emp#=A.emp#
O C. Select emp_name, proj_name
from Project P, Employee E
where A.proj#=P.proj# and E.em p#=A.emp#
O D. Select *
from Project P, Employee E, Assigned A
where A.proj#=P.proj# and E.emp#=A.emp#
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