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 minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes records and files record relationships None of these All of these data elements records and files record relationships None of these All of these data elements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is made up a several pieces of information is a combination of each unique key both (a) and (b) uniquely identifies an item in a list None of these is made up a several pieces of information is a combination of each unique key both (a) and (b) uniquely identifies an item in a list None of these ANSWER DOWNLOAD EXAMIANS APP
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