Data Models into Database Designs All primary keys are required. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is used to implement relationships between tables. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following columns is(are) are required in a table? A surrogate key A foreign key An alternate key A primary key A surrogate key A foreign key An alternate key A primary key 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 interrelation constraint An intrarelation constraint A range constraint A domain constraint An interrelation constraint An intrarelation constraint A range constraint ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited. True False True False ANSWER DOWNLOAD EXAMIANS APP
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