Introduction to Database System An indexing operation sorts file using two keys None of the listed here establishes an index for a file sorts a file using a single key sorts file using two keys None of the listed here establishes an index for a file sorts a file using a single key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sophisticated report generators can print row-oriented reports perform arithmetic operations selectively retrieve and print portions of a list All of the listed here print row-oriented reports perform arithmetic operations selectively retrieve and print portions of a list All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID- independent entity Strong entity ID-dependent entity Weak entity ID- independent entity Strong entity ID-dependent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The distinguishable parts of a record are called files None of these data database fields files None of these data database fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have only one owner but many owner occurrences All of the listed here more than one member but only one occurrence per member only one member but many member occurrence only one owner but many owner occurrences All of the listed here more than one member but only one occurrence per member only one member but many member occurrence ANSWER DOWNLOAD EXAMIANS APP
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