Introduction to Database System Related fields in a data base are grouped to form data file data record menu bank None of these data file data record menu bank None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Strong entity Weak entity ID-dependent entity ID-independent entity Strong entity Weak entity ID-dependent entity ID-independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file is a measure of the percentage of existing records updated during a run None of these refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run None of these refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data. True False True False ANSWER DOWNLOAD EXAMIANS APP
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