1. Case Study 1. Write a case study where you are expecting an input from the user (at least one input) Assume you have a database with a few tables. (a) Write any query that would take CORRECT expected input from user, display the CORRECT expected output. (b) Write a sample INCORRECT input from an attacker that might DELETE all DATA inside the table being used. (c) Write the query as a result of INCORRECT input assumed in part (b), display/explain the result of this query Your answer 2. Write a procedure that will update the phone number of ALL employees the table( assume a table that has the required columns. Also write the statement that will initiate this procedure Your answer 3. A supermarket vendor is adding new sale items to his inventory. He wants to check if the product price is more than 10$ the set it price as 10% of the price and only then enter the new item. Write a trigger that will help him achieve this. Example, if the price for Milk is 12$, then save the price for milk as 10.8$. If the price for chips is 6$ then save the price for milk as 6$.

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
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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1. Case Study
1. Write a case study where you are expecting an input from the user (at least
one input)
Assume you have a database with a few tables.
(a) Write any query that would take CORRECT expected input from user, display
the CORRECT expected output.
(b) Write a sample INCORRECT input from an attacker that might DELETE all DATA
inside the table being used.
(c) Write the query as a result of INCORRECT input assumed in part (b),
display/explain the result of this query
Your answer
2. Write a procedure that will update the phone number of ALL employees the
table( assume a table that has the required columns. Also write the statement
that will initiate this procedure
Your answer
3. A supermarket vendor is adding new sale items to his inventory. He wants to
check if the product price is more than 10$ the set it price as 10% of the price
and only then enter the new item. Write a trigger that will help him achieve this.
Example, if the price for Milk is 12$, then save the price for milk as 10.8S. If the
price for chips is 6$ then save the price for milk as 6$.
Transcribed Image Text:1. Case Study 1. Write a case study where you are expecting an input from the user (at least one input) Assume you have a database with a few tables. (a) Write any query that would take CORRECT expected input from user, display the CORRECT expected output. (b) Write a sample INCORRECT input from an attacker that might DELETE all DATA inside the table being used. (c) Write the query as a result of INCORRECT input assumed in part (b), display/explain the result of this query Your answer 2. Write a procedure that will update the phone number of ALL employees the table( assume a table that has the required columns. Also write the statement that will initiate this procedure Your answer 3. A supermarket vendor is adding new sale items to his inventory. He wants to check if the product price is more than 10$ the set it price as 10% of the price and only then enter the new item. Write a trigger that will help him achieve this. Example, if the price for Milk is 12$, then save the price for milk as 10.8S. If the price for chips is 6$ then save the price for milk as 6$.
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