Create the Students and Marks tables as shown below and then perform the given SQL queries: a) Students table: Roll_no 1 2 3 4 5 b) Marks table: Roll_no 1 1 2 3 4 6 Name Brook Alex Allen Robin Calvin Course OS CN CN OS DS DS Address Gurugram Noida Noida Delhi Delhi 95 90 Age 19 85 98 87 95 19 21 Score 20 18 1. Display the Union set of Roll numbers. 2. Display the Intersection set of Roll numbers. 3. Display the Roll number and Names of students whose score is greater than 90 in any course. (Use EXISTS operator)

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Create the Students and Marks tables as shown below and then perform the given SQL
queries:
a) Students table:
Roll_no
1
2
3
4
5
b) Marks table:
Roll_no
1
1
2
3
4
6
Name
Brook
Alex
Allen
Robin
Calvin
Course
OS
CN
CN
OS
DS
DS
Address
Gurugram
Noida
Noida
Delhi
Delhi
95
90
85
98
87
Age
19
95
19
Score
21
20
18
1. Display the Union set of Roll numbers.
2. Display the Intersection set of Roll numbers.
3. Display the Roll number and Names of students whose score is greater than 90 in
any course. (Use EXISTS operator)
Transcribed Image Text:Create the Students and Marks tables as shown below and then perform the given SQL queries: a) Students table: Roll_no 1 2 3 4 5 b) Marks table: Roll_no 1 1 2 3 4 6 Name Brook Alex Allen Robin Calvin Course OS CN CN OS DS DS Address Gurugram Noida Noida Delhi Delhi 95 90 85 98 87 Age 19 95 19 Score 21 20 18 1. Display the Union set of Roll numbers. 2. Display the Intersection set of Roll numbers. 3. Display the Roll number and Names of students whose score is greater than 90 in any course. (Use EXISTS operator)
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