Intermediate
SQL
Q49 / 100
What is a "composite key"?
Correct! Well done.
Incorrect.
The correct answer is B) A primary key consisting of two or more columns whose combined values uniquely identify a row
B
Correct Answer
A primary key consisting of two or more columns whose combined values uniquely identify a row
Explanation
A composite key combines multiple columns to form a unique identifier when no single column is sufficient to guarantee uniqueness.
Progress
49/100