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d) Write the following guery in sQL Find the names of all shicents who arc not enrolled in any class. e) Write the following query in SQL For each class, find the averude age of all students who are enrolled i that clais.

d) Write the following guery in sQL Find the names of all shicents who arc not enrolled in any class. e) Write the following query in SQL For each class, find the averude age of all students who are enrolled i that clais.

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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Bottom two please show how to do, i do not need to understand what I have marked out
Takes( sid: integer, cid:integer) relational Schema: (keys undenined). Class(cid: iotecier, cnamestring, instructur:String, room:stmng Student (sid: integer, snume Stniny, major ístring, age:inteyer) Toment sid: intcjer, snume iStmny, major éstriny, aye:integer) lakes ( Sid: integer, cid integer) mêet-até time). ats. are orolled. we.... sychut i0t ny n'class d) Write the following guery in sQL. Find the names of all shicents who are not enrolled in any class. e) Write the following query in SQL For each class, find the averude age of all students who are enrolled in that clas.
Transcribed Image Text:Takes( sid: integer, cid:integer) relational Schema: (keys undenined). Class(cid: iotecier, cnamestring, instructur:String, room:stmng Student (sid: integer, snume Stniny, major ístring, age:inteyer) Toment sid: intcjer, snume iStmny, major éstriny, aye:integer) lakes ( Sid: integer, cid integer) mêet-até time). ats. are orolled. we.... sychut i0t ny n'class d) Write the following guery in sQL. Find the names of all shicents who are not enrolled in any class. e) Write the following query in SQL For each class, find the averude age of all students who are enrolled in that clas.
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