Data Models into Database Designs The terms alternate key and candidate key mean the same thing. True False True False 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 A foreign key is: used to define null status. a column containing the primary key of another table. used to define data types. All of these used to define null status. a column containing the primary key of another table. used to define data types. All of these 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? An intrarelation constraint An interrelation constraint A domain constraint A range constraint An intrarelation constraint An interrelation constraint A domain constraint A range constraint ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? Archetype/instance relationships only Multivalued attributes only Association relationships only All of these Archetype/instance relationships only Multivalued attributes only Association relationships only All of these 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