Intermediate
Database Management Systems
Q41 / 100
What is the first normal form (1NF)?
Correct! Well done.
Incorrect.
The correct answer is B) Each column must contain atomic (indivisible) values; no repeating groups or arrays in columns
B
Correct Answer
Each column must contain atomic (indivisible) values; no repeating groups or arrays in columns
Explanation
1NF: atomic values (no lists/arrays in cells), unique column names, order of rows doesn't matter. If a column holds comma-separated values, it violates 1NF.
Progress
41/100