Database - Logical Database Design
Exercise : Logical Database Design - True or False
- Logical Database Design - General Questions
- Logical Database Design - True or False
1.
An enterprise key is a primary key whose value is unique for a given relation.
2.
A composite attribute does not get mapped into a relation.
3.
A relation is a two-dimensional table.
4.
Weak entities do not get mapped into a relation.
5.
A primary key may be null.
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