Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. normal forms. referential integrity constraints. transitive dependencies. modification anomalies. normal forms. referential integrity constraints. transitive dependencies. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Related fields in a data base are grouped to form data record menu data file bank None of these data record menu data file bank None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a type of DBMS software? report writer All of these database manipulation language utilities query language report writer All of these database manipulation language utilities query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
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