Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? MUST COVER Both of the above MUST NOT None of these MUST COVER Both of the above MUST NOT None 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
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. primary key main attribute identity key foreign key primary key main attribute identity key foreign key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The DBMS allows surrogate keys to be changed. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following data constraints would be used to specify that the value of a cell in one column must be less than the value of a cell in another column in the same row of the same table? An intrarelation constraint A domain constraint A range constraint An interrelation constraint An intrarelation constraint A domain constraint A range constraint An interrelation constraint ANSWER DOWNLOAD EXAMIANS APP
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