Database - Data Models into Database Designs
Exercise : Data Models into Database Designs - True or False
- Data Models into Database Designs - General Questions
- Data Models into Database Designs - True or False
16.
(STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key.
17.
When the parent entity is required and the parent has a surrogate key, update actions can be ignored.
18.
When the parent entity is required, a new parent row can always be inserted.
19.
For every relationship, there are six possible referential integrity actions.
20.
An ideal primary key is short, numeric and seldom changing.
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