PostgreSQL_CE
PGCES-02 · Question #23
Which normal form has the constraint that there must be no tables with duplicate column values in the same row?
The correct answer is A. First normal form. See the full explanation below for the reasoning.
Question
Which normal form has the constraint that there must be no tables with duplicate column values in the same row?
Options
- AFirst normal form
- BSecond normal form
- CThird normal form
- DBoyce/Codd normal form
- EFourth normal form
How the community answered
(21 responses)- A86% (18)
- D5% (1)
- E10% (2)
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