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part A Attempt to violate the primary key constraint and observe the result. part B Attempt to violate the foreign key constraint and observe the result

part A Attempt to violate the primary key constraint and observe the result. part B Attempt to violate the foreign key constraint and observe the result

A Guide to SQL
A Guide to SQL
9th Edition
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Philip J. Pratt
Chapter7: Database Administration
Section: Chapter Questions
Problem 7TD: Delete the index named ITEM_INDEX3.
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I have attached the problem below! Please view both attachments before answering. one attachment is the table and its contents and the other attachment is the question i need help finding a solution for. I am in need of assistance with both parts A and B. I am unsure on how i can go about attempting the question.  I am using mysql terminal. Please explain in detail so i can fully understand . Attaching a visual will be of great help. (as in a screenshot or so) Thank you so much in advance!

mysql> show create table reserved; +- | Table | Create Table | reserved | CREATE TABLE `reserved` ( 'stdid' int NOT NULL, `bid' int NOT NULL, `rdate' date NOT NULL, PRIMARY KEY (`stdid`, `bid`), CONSTRAINT `c2` FOREIGN KEY (`stdid`) REFERENCES 'student` (`stdid`) > ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci | 1 row in set (0.00 sec) + | student | CREATE TABLE `student' ( 'stdid` int NOT NULL, 'branch' varchar(8) DEFAULT NULL, 'semester' varchar(8) DEFAULT NULL, 'rollno` int DEFAULT NULL, `name` varchar(8) NOT NULL, 'points' int DEFAULT NULL, PRIMARY KEY (`stdid`), CONSTRAINT `c1` CHECK ((`points` <= 100)) > ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci | now in cot CO.00 eel
Transcribed Image Text:mysql> show create table reserved; +- | Table | Create Table | reserved | CREATE TABLE `reserved` ( 'stdid' int NOT NULL, `bid' int NOT NULL, `rdate' date NOT NULL, PRIMARY KEY (`stdid`, `bid`), CONSTRAINT `c2` FOREIGN KEY (`stdid`) REFERENCES 'student` (`stdid`) > ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci | 1 row in set (0.00 sec) + | student | CREATE TABLE `student' ( 'stdid` int NOT NULL, 'branch' varchar(8) DEFAULT NULL, 'semester' varchar(8) DEFAULT NULL, 'rollno` int DEFAULT NULL, `name` varchar(8) NOT NULL, 'points' int DEFAULT NULL, PRIMARY KEY (`stdid`), CONSTRAINT `c1` CHECK ((`points` <= 100)) > ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci | now in cot CO.00 eel
part A Attempt to violate the primary key constraint and observe the result. part B Attempt to violate the foreign key constraint and observe the result
Transcribed Image Text:part A Attempt to violate the primary key constraint and observe the result. part B Attempt to violate the foreign key constraint and observe the result
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