SQL for Java Devs · interview question
Which SQL JOIN type would you use to include all records from the left table and matched records from the right table, inserting NULLs for non-matching rows?
Multiple choiceMediumchapter-8-curatedpremiumsql-for-java-devsjoins
Answer and explanation
Correct answer
D. LEFT JOIN
Why
A LEFT JOIN returns all records from the left table and the matched records from the right table. If no match is found, NULLs are returned for columns from the right table.
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