Introduction to Database System A compound key uniquely identifies an item in a list is made up a several pieces of information None of these both (a) and (b) is a combination of each unique key uniquely identifies an item in a list is made up a several pieces of information None of these both (a) and (b) is a combination of each unique key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. parent child subtype instance parent child subtype instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators do not need to sort before generating a report are faster than index/report generators none of the listed here require more disk space than index/report generators do not need to sort before generating a report are faster than index/report generators none of the listed here require more disk space than index/report generators ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. False True False True 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? ID-independent entity ID-dependent entity Strong entity Weak entity ID-independent entity ID-dependent entity Strong entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation None of the listed here establishes an index for a file sorts file using two keys sorts a file using a single key None of the listed here establishes an index for a file sorts file using two keys sorts a file using a single key ANSWER DOWNLOAD EXAMIANS APP
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