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Please help with the folllowing: Consider the following declaration of a relation schema     CREATE TABLE R   ( A int PRIMARY KEY,    B int not null,    C char (1) );  Then execution of which of the following queries will fail?  QI:  Insert INTO R (B, C) Values (353, 'B');  Q2: Insert INTO R (A, C) Values (111, ‘A’);  Q3: Insert INTO R (A, B) Values (222, 335);      Select one: a. Both QI and Q2  b. QI only

Please help with the folllowing: Consider the following declaration of a relation schema     CREATE TABLE R   ( A int PRIMARY KEY,    B int not null,    C char (1) );  Then execution of which of the following queries will fail?  QI:  Insert INTO R (B, C) Values (353, 'B');  Q2: Insert INTO R (A, C) Values (111, ‘A’);  Q3: Insert INTO R (A, B) Values (222, 335);      Select one: a. Both QI and Q2  b. QI only

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Please help with the folllowing:

Consider the following declaration of a relation schema    

CREATE TABLE R  

( A int PRIMARY KEY, 

  B int not null, 

  C char (1) ); 

Then execution of which of the following queries will fail? 

QI:  Insert INTO R (B, C) Values (353, 'B'); 

Q2: Insert INTO R (A, C) Values (111, ‘A’); 

Q3: Insert INTO R (A, B) Values (222, 335); 

 


 

Select one:
a. Both QI and Q2 
b. QI only 
c. Both QI and Q3 
d. Q2 only 

 

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