Data Models into Database Designs Surrogate keys have much meaning for users. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. primary key foreign key main attribute identity key primary key foreign key main attribute identity key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs All primary keys are required. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are fixed. They are numeric. They are short. They have meaning to the user. They are fixed. They are numeric. They are short. They have meaning to the user. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties specifies whether or not cells in a column must contain a data value? Data constraints Data type Null status Default value Data constraints Data type Null status Default value 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
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