Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): insertion anomaly. referential integrity constraint. transitive dependency. normal form. insertion anomaly. referential integrity constraint. transitive dependency. normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data security threats include privacy invasion fraudulent manipulation of data hardware failure all of the listed here privacy invasion fraudulent manipulation of data hardware failure all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The distinguishable parts of a record are called files fields None of these database data files fields None of these database data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Strong entity ID-dependent entity Weak entity ID-independent entity Strong entity ID-dependent entity Weak entity ID-independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. False True False True ANSWER DOWNLOAD EXAMIANS APP
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