Data Models into Database Designs When transforming an entity-relationship model into a relational database design, each entity is represented as a table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are short. They are numeric. They are fixed. They have meaning to the user. They are short. They are numeric. They are fixed. They have meaning to the user. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: NOT NULL. Either of the above can be used. NULL. None of these NOT NULL. Either of the above can be used. NULL. None of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new child row can always be inserted. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? MUST NOT None of these MUST COVER Both of the above MUST NOT None of these MUST COVER Both of the above ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Cascading updates refers to child rows being automatically deleted when a parent row is deleted. True False True False ANSWER DOWNLOAD EXAMIANS APP
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