Data Models into Database Designs When the parent entity is required, a new parent row can always be inserted. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: NULL. None of these Either of the above can be used. NOT NULL. NULL. None of these Either of the above can be used. NOT NULL. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Surrogate keys have much meaning for users. False True False True 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 In a 1:1 relationship, the primary key placement is arbitrary. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The terms alternate key and candidate key mean the same thing. False True False True ANSWER DOWNLOAD EXAMIANS APP
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