What do you want to retrieve by the following query? select LNAME, FNAME, SALARY from employee where SALARY > some (select SALARY from employee where DNO = 5):

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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(a) What do you want to retrieve by the following query?
select
LNAME, FNAME, SALARY
from
employee
where
SALARY > some (select
SALARY
from
employee
where
DNO = 5):
(b) What do you want to retrieve by the following query?
select
FNAME, LNAME, SSN, dno
from
employee
where
not exists( select
from
WORKS_ON B
where
(B.PNO in (select
PNUMBER
from
project
where
DNUM = 5)
and not exists( select
from
works_on C
where
C.ESSN = SSN and C.PNO = B.PNO))):
Transcribed Image Text:(a) What do you want to retrieve by the following query? select LNAME, FNAME, SALARY from employee where SALARY > some (select SALARY from employee where DNO = 5): (b) What do you want to retrieve by the following query? select FNAME, LNAME, SSN, dno from employee where not exists( select from WORKS_ON B where (B.PNO in (select PNUMBER from project where DNUM = 5) and not exists( select from works_on C where C.ESSN = SSN and C.PNO = B.PNO))):
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