Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Entities Relationships Attributes Primary keys Entities Relationships Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data file data field None of these database data record data file data field None of these database data record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are components of a database except ________ . user data indexes reports metadata user data indexes reports metadata ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key None of these is made up a several pieces of information uniquely identifies an item in a list both (a) and (b) is a combination of each unique key None of these is made up a several pieces of information uniquely identifies an item in a list both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
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