chapter 2 quiz 3 Flashcards
A table that meets the requirements of a relation is said to be in which normal form?
A) Relational normal form (RNF)
B) First normal form
C) Second normal form
D) Boyce-Codd normal form
E) Domain/key normal form
B) First normal form
To be considered a composite key, a key must contain at least two attributes. (T/F)
True
The primary key is used both to identify unique rows in a relation and to represent rows in relationships. (T/F)
TRUE
Any table that meets the definition of a relation is said to be in second normal form.
False
When the primary key of one relation is placed into a second relation, it is called a:
A) field key.
B) referential integrity.
C) foreign key.
D) candidate key.
E) relocated key.
C) foreign key.