Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Update file Specialized file Master file Log file Update file Specialized file Master file Log file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have only one member but many member occurrence more than one member but only one occurrence per member All of the listed here only one owner but many owner occurrences only one member but many member occurrence more than one member but only one occurrence per member All of the listed here only one owner but many owner occurrences ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: B → A → C is a determinant. (A,B) is a composite determinant. B → A → C is a determinant. (A,B) is a composite determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? treelike structure complex logical relationships tables records treelike structure complex logical relationships tables records ANSWER DOWNLOAD EXAMIANS APP
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