EMPLOYER(ECode, EName, Address) Ecode E001 E002 E003 Ename ABC DEF GHI A. Mary Annie 45 Swapna 40 35 DWARF(DwarfName, Age, HatColour. Job, ECode) Dwarf Age HatCol Job. Ecode Name or MINI 22 EAddress Chennai B. Mumbai Red Kolkatta RED J1 Blue J1 Green 32 J3 E001 E002 E001 Convert the following into SQL and Relational algebra expression fo List the Dwarfname, Age and Hatcolor from Dwarf table 4 Display the average age of the dwarf E001

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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6_#.

 

EMPLOYER(ECode, EName, Address)
Ecode
E001
E002
E003
Ename
ABC
DEF
GHI
Mary
Annie 45
35
DWARF(DwarfName, Age, HatColour. Job,
A.
ECode)
Dwarf Age HatCol Job
Name
or
MINI 22
Swapna 40
B.
EAddress
Chennai
Mumbai
Red
Kolkatta
RED J1
Blue
J1
Green 32
J3
Ecode
E001
E002
E001
Convert the following into SQL and Relational algebra expression fo
List the Dwarfname, Age and Hatcolor from Dwarf table 4
Display the average age of the dwarf
E001
Transcribed Image Text:EMPLOYER(ECode, EName, Address) Ecode E001 E002 E003 Ename ABC DEF GHI Mary Annie 45 35 DWARF(DwarfName, Age, HatColour. Job, A. ECode) Dwarf Age HatCol Job Name or MINI 22 Swapna 40 B. EAddress Chennai Mumbai Red Kolkatta RED J1 Blue J1 Green 32 J3 Ecode E001 E002 E001 Convert the following into SQL and Relational algebra expression fo List the Dwarfname, Age and Hatcolor from Dwarf table 4 Display the average age of the dwarf E001
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