Introduction to Database System An attribute is a(n): key of a table. two dimensional table. column of a table. row of a table. key of a table. two dimensional table. column of a table. row of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: functional dependencies. normal forms. None of these referential integrity constraints. functional dependencies. normal forms. None of these referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? program/data independence ability to associate related data increased security elimination of the data redundancy All of these program/data independence ability to associate related data increased security elimination of the data redundancy All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called data record data bank data file database data record data bank data file database ANSWER DOWNLOAD EXAMIANS APP
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