Exam 98-364 topic 1 question 128 discussion

Actual exam question from Microsoft's 98-364

Question #: 128
Topic #: 1

This question requires that you evaluate the underlined text to determine if it is correct.
First normal form requires that a database excludes repeating groups.
Instructions: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

A. No change is needed.
B. Composite keys
C. Duplicate rows
D. Foreign keys

Show Suggested Answer

Suggested Answer: A 🗳️

by estherjq at April 2, 2021, 7:25 a.m.

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klever

3 years, 3 months ago

There's no top-to-bottom ordering to the rows. There's no left-to-right ordering to the columns. There are no duplicate rows. Every row-and-column intersection contains exactly one value from the applicable domain (and nothing else). All columns are regular [i.e. rows have no hidden components such as row IDs, object IDs, or hidden timestamps]. https://en.wikipedia.org/wiki/First_normal_form

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klever

3 years, 3 months ago

C. Duplicate rows

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estherjq

4 years, 4 months ago

Underlined text: first normal form

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