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Numeric
5. (TCO 3) The PK must uniquely identify each entity
instance. A primary key must be able to guarantee unique
values. It cannot contain nulls. This rationale belongs to
____. (Points : 4)
Unique values
Nonintelligent
Preferably single-attribute
Security complaint
6. (TCO 3) A table that is in 1NF and includes no partial
dependencies only is said to be in_____________. (Points : 4)
1NF.
2NF.
3NF.
4NF.
BCNF.
7. (TCO 3) A table that has all key attributes defined, has no
repeating groups, and all its attributes are dependent on the
primary key, is said to be in_____________.(Points : 4)
1NF.
2NF.