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Xe "Author_ISBN Table of Books Database"In a Relational Database, Every

Question 6

Multiple Choice

Xe "author_ISBN table of books database"In a relational database, every foreign-key value must appear as the primary-key value in a row of another table so the DBMS can ensure that the foreign-key value is valid. This is known as the ________.


A) Rule of Entity Integrity
B) xe "Rule of Referential Integrity"Rule of Referential Integrity
C) Rule of Guaranteed Access
D) None of the above

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