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Answer: To expand each element of an array field into individual rows.

The explode function in SQL is designed to transform an array (or map) by creating a new row for each element within that array. This is particularly useful in data transformation tasks where it's necessary to flatten nested data structures for easier analysis.

Author: LeetQuiz Editorial Team

Quick Answer

Answer-first summary for fast verification

Answer: To expand each element of an array field into individual rows.

Author: LeetQuiz Editorial Team

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What is the primary function of the explode function in SQL?

Real Exam

To merge multiple rows into a single array field.

1.2%

To expand each element of an array field into individual rows.

98.4%

To generate a database backup.

To remove elements from an array field.

0.4%