Data Models into Database Designs Which of the following columns is(are) are required in a table? A primary key An alternate key A surrogate key A foreign key A primary key An alternate key A surrogate key A foreign key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs An intersection table is required to represent M:N relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required and the parent has a surrogate key, update actions can be ignored. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are short. They are fixed. They are numeric. They have meaning to the user. They are short. They are fixed. They are numeric. They have meaning to the user. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is used to implement relationships between tables. False True False True ANSWER DOWNLOAD EXAMIANS APP
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