Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? All of these Multivalued attributes only Archetype/instance relationships only Association relationships only All of these Multivalued attributes only Archetype/instance relationships only Association relationships only ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: the child table. the parent table. either the parent table or the child table. either table without specifying parent and child tables. the child table. the parent table. either the parent table or the child table. either table without specifying parent and child tables. 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
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 The terms alternate key and candidate key mean the same thing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: NULL. Either of the above can be used. None of these NOT NULL. NULL. Either of the above can be used. None of these NOT NULL. ANSWER DOWNLOAD EXAMIANS APP
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