Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: functional dependencies. normal forms. referential integrity constraints. None of these functional dependencies. normal forms. referential integrity constraints. None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? None of these monitoring performance creating the physical and logical designs removing flagged records for deletion creating and maintaining the data dictionary None of these monitoring performance creating the physical and logical designs removing flagged records for deletion creating and maintaining the data dictionary ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DISTINCT SELECT UNIQUE All of these SELECT DIFFERENT None of these SELECT DISTINCT SELECT UNIQUE All of these SELECT DIFFERENT None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: attributes. relationships. entities. identifiers. attributes. relationships. entities. identifiers. ANSWER DOWNLOAD EXAMIANS APP
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