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R{a,b,c} and S{x,y,z} are two relations in which x is a foreign key referring to the primary key of relation R.
Consider the following operations. Which among these operations may violate the referential integrity constraint?
  • a)
    Insert into R
  • b)
    Delete from R
  • c)
    Delete from S
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
R{a,b,c} and S{x,y,z} are two relations in which x is a foreign key r...
X is a foreign key referring to the primary key of the relation R. If we delete anything from R, it may so happen that there is a value in S linked to the deleted value. Or if we insert something in S, it may not be present in relation R.
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R{a,b,c} and S{x,y,z} are two relations in which x is a foreign key referring to the primary key of relation R.Consider the following operations. Which among these operations may violate the referential integrity constraint?a)Insert into Rb)Delete from Rc)Delete from Sd)None of theseCorrect answer is option 'B'. Can you explain this answer?
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R{a,b,c} and S{x,y,z} are two relations in which x is a foreign key referring to the primary key of relation R.Consider the following operations. Which among these operations may violate the referential integrity constraint?a)Insert into Rb)Delete from Rc)Delete from Sd)None of theseCorrect answer is option 'B'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about R{a,b,c} and S{x,y,z} are two relations in which x is a foreign key referring to the primary key of relation R.Consider the following operations. Which among these operations may violate the referential integrity constraint?a)Insert into Rb)Delete from Rc)Delete from Sd)None of theseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for R{a,b,c} and S{x,y,z} are two relations in which x is a foreign key referring to the primary key of relation R.Consider the following operations. Which among these operations may violate the referential integrity constraint?a)Insert into Rb)Delete from Rc)Delete from Sd)None of theseCorrect answer is option 'B'. Can you explain this answer?.
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