Data Models into Database Designs A foreign key is: used to define data types. used to define null status. a column containing the primary key of another table. All of these used to define data types. used to define null status. a column containing the primary key of another table. All of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the primary key placement is arbitrary. 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. foreign key main attribute primary key identity key foreign key main attribute primary key identity key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties would be used to specify that cells in a column must contain a monetary value? Null status Default value Data type Data constraints Null status Default value Data type Data constraints ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The DBMS allows surrogate keys to be changed. 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 range constraint A domain constraint An interrelation constraint An intrarelation constraint A range constraint A domain constraint An interrelation constraint An intrarelation constraint ANSWER DOWNLOAD EXAMIANS APP