Data Models into Database Designs An ideal primary key is short, numeric and seldom changing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When transforming an entity-relationship model into a relational database design, each entity is represented as a table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values? A domain constraint An intrarelation constraint An interrelation constraint A range constraint A domain constraint An intrarelation constraint An interrelation constraint A range constraint ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? MUST NOT Both of the above None of these MUST COVER MUST NOT Both of the above None of these MUST COVER ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Each entity is represented as a(n): tuple. file. attribute. table. tuple. file. attribute. table. ANSWER DOWNLOAD EXAMIANS APP
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