Intermediate MySQL

Test your Intermediate-level Relational Databases Mysql skills in Database Data Management. This timed assessment evaluates your expertise in Information Technology.

Duration: 5 minutes

•40 questions

Time Remaining: 05:00

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40 questions remaining

Question 1 of 40Assessment

How does a LEFT JOIN differ from an INNER JOIN when the join condition is not met for a row in the right-side table?

A. The LEFT JOIN includes the left row with NULL values for all columns of the right table.

B. The LEFT JOIN excludes the left row from the final result set entirely.

C. The LEFT JOIN produces an error if matching rows are not found in the right table.

D. The LEFT JOIN duplicates the left row for every unmatched row in the right table.

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