Data Models into Database Designs Which is not true about surrogate keys? 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. They are fixed. 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 A primary key should be defined as: Either of the above can be used. NOT NULL. None of these NULL. Either of the above can be used. NOT NULL. None of these NULL. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs An ideal primary key is short, numeric and seldom changing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Cascading updates refers to child rows being automatically deleted when a parent row is deleted. False True False True ANSWER DOWNLOAD EXAMIANS APP
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