Introduction to Database System If a piece of data is stored in two places in the database, then both (a) and (b) changing the data is one spot will cause data inconsistency storage space is wasted it can be more easily accessed None of these both (a) and (b) changing the data is one spot will cause data inconsistency storage space is wasted it can be more easily accessed None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file upgrading renewing restructuring Updating upgrading renewing restructuring Updating ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: C is a determinant. (A,B) is a composite determinant. A → B → C is a determinant. (A,B) is a composite determinant. A → B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
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