Introduction to Database System One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Archetype entity Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key both (a) and (b) uniquely identifies an item in a list None of these is made up a several pieces of information is a combination of each unique key both (a) and (b) uniquely identifies an item in a list None of these is made up a several pieces of information is a combination of each unique key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: users separate files data base data-base administrator None of these users separate files data base data-base administrator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have 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 only one member but many member occurrence more than one member but only one occurrence per member ANSWER DOWNLOAD EXAMIANS APP
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