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DAD 220 - Quiz 3-1 with complete verified solutions
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DAD 220 - Quiz 3-1 with complete verified solutions
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DAD 220 - Quiz 3-1 withcomplete verified solutions
DAD 220 - Quiz 3-1 with complete verified solutions
Your cousin asks you to help her prepare for her computer science
exam next week. She gives you two clues about a type of relational
database key: No column values may be NULL, and columns must be
necessary for uniqueness. Which type of key is she referring to?
Select one answer.
Question options:
Simple primary key
Alternate key
Composite primary key
Foreign key
Composite primary key
During a casual discussion, your colleague claims that both data
types and names of foreign and primary keys must be the same. Is
this true or false?
Question options:
True
False
False
There are four actions and outcomes listed below. These four
actions can be implemented on a database to autocorrect violations
of referential integrity.
Match the action name with the outcome.
Instructions: Choose your responses from the menu below.
Responses cannot be used more than once.
_____ Propagates primary key changes to foreign keys
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