Data Models into Database Designs A primary key should be defined as: NOT NULL. None of these Either of the above can be used. NULL. NOT NULL. None of these Either of the above can be used. NULL. ANSWER DOWNLOAD EXAMIANS APP
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 When the parent entity is required, a new parent row can always be inserted. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time. 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 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 interrelation constraint A domain constraint A range constraint An intrarelation constraint An interrelation constraint A domain constraint A range constraint An intrarelation constraint 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 be immediately filled with a monetary value of $10,000? Data type Default value Data constraints Null status Data type Default value Data constraints Null status ANSWER DOWNLOAD EXAMIANS APP
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