Data Models into Database Designs When the parent entity is required and the parent has a surrogate key, update actions can be ignored. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They have meaning to the user. They are short. They are numeric. They are fixed. They have meaning to the user. They are short. They are numeric. They are fixed. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new child row can always be inserted. False True False True 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 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 column properties specifies whether or not cells in a column must contain a data value? Data type Data constraints Default value Null status Data type Data constraints Default value Null status ANSWER DOWNLOAD EXAMIANS APP
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