Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Characters None of the listed here Bits Data field Characters None of the listed here Bits Data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is Insert All of the listed here Look-up Modify Insert All of the listed here Look-up Modify 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
Introduction to Database System SQL stands for ________ . Structured Question Language Sequential Question Language Sequential Query Language Structured Query Language Structured Question Language Sequential Question Language Sequential Query Language Structured Query Language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
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