Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: normal forms. None of these functional dependencies. referential integrity constraints. normal forms. None of these functional dependencies. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): attribute. entity. identifier. relationship. attribute. entity. identifier. relationship. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files None of these is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files None of these is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Bytes Words Database Fields Bytes Words Database Fields ANSWER DOWNLOAD EXAMIANS APP
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