Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if only a few transactions are involved All of these a large computer system is available only a small computer system is available None of these only a few transactions are involved All of these a large computer system is available only a small computer system is available None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . multiuser database application single-user database application data mining database application e-commerce database application multiuser database application single-user database application data mining database application e-commerce database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the rows matters. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Supertype entity Subtype entity Archetype entity Instance entity Supertype entity Subtype entity Archetype entity Instance entity 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 record data field database None of these data file data record data field database None of these data file ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS