Introduction to Database System In a relation, the order of the columns does not matter. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. attribute. entity. relationship. identifier. attribute. entity. relationship. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: add a composite key. change the theme. split the relation into two relations, each with a single theme. create a new theme. add a composite key. change the theme. split the relation into two relations, each with a single theme. create a new theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data item record data base field data item record data base field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True ANSWER DOWNLOAD EXAMIANS APP
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