onal Schema: (keys undenined). Student (sid: intyer, snume Stniny, major ístriny, age:inteyer) Hakes( Sid: integer, cid, integer) 2lass(aid:integer, cname: String, instructur:string, roomistring mêet-até time) a) Write the follomng query in SOL. tind the names of students who are enrolled in the classesoffered bu ' Tames waNd', b) Wrile the following query in SQL. Find the names of all Students who are enrolled in. both 'Psychorogy and 'Enylish' classes c) Write the following gueny in sQL. Find the names of all Stucdents nho are enrolled in Psych' but not Enyish'class..
onal Schema: (keys undenined). Student (sid: intyer, snume Stniny, major ístriny, age:inteyer) Hakes( Sid: integer, cid, integer) 2lass(aid:integer, cname: String, instructur:string, roomistring mêet-até time) a) Write the follomng query in SOL. tind the names of students who are enrolled in the classesoffered bu ' Tames waNd', b) Wrile the following query in SQL. Find the names of all Students who are enrolled in. both 'Psychorogy and 'Enylish' classes c) Write the following gueny in sQL. Find the names of all Stucdents nho are enrolled in Psych' but not Enyish'class..
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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Question
Transcribed Image Text:Takes( Sid: integer, cid: integer)
relational Schema: (keys undenined).
Class cid:integer, cname: String, instructur:string, room:string
Student (sid: intryer, snume Stniny, major éstriny, age:inteyer)..
Torent(sid: intryer, snume iStony, major ístriny, aye:integer)
lakes( Sid: integer, cid integer)
meet-até time).
a) Write the folloming query in sOL.
tind the names of students who are enrolled.
in the classesoffered bu ' Tames ward,
Wrile the following queru in SQL.
Find the names of all Students who are enrolled in
buth.
'Psychorogy and 'Enylish' classes
c)Write the following gueny in SQL.
Kind the numes of all Students nho are enrolled
in Psych but not Engish'class..
d) Write the. following guery in sQL.
Find the names of all shicents who arc not
enrolled in any class.
e) Write the following guery in SOL For each
class, find the averude age of all students
who are enrolled in that clas.
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