Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key None of these both (a) and (b) is made up a several pieces of information is a combination of each unique key uniquely identifies an item in a list None of these both (a) and (b) is made up a several pieces of information is a combination of each unique key uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The designer of a form includes None of these prompts data both (a) and (b) filed designators None of these prompts data both (a) and (b) filed designators ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if only a few transactions are involved None of these All of these a large computer system is available only a small computer system is available only a few transactions are involved None of these All of these a large computer system is available only a small computer system is available ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an archetype entity itself an instance entity a subtype entity an archetype entity itself an instance entity a subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
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