If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.
A. the primary key
B. any alternate key
C. a surrogate key
D. a foreign key
Answer: Option A
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A. A domain constraint
B. A range constraint
C. An intrarelation constraint
D. An interrelation constraint
In a 1:N relationship, the foreign key is placed in:
A. either table without specifying parent and child tables.
B. the parent table.
C. the child table.
D. either the parent table or the child table.
A. Null status
B. Data type
C. Default value
D. Data constraints
A primary key should be defined as:
A. NULL.
B. NOT NULL.
C. Either of the above can be used.
D. None of the above are correct.
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