SQL for Java Devs · interview question
How does using a JOIN affect the result set shape compared to separate queries?
Multiple choiceMediumchapter-8-curatedpremiumsql-for-java-devsjoins
Answer and explanation
Correct answer
A. The result set contains combined columns from both tables.
Why
JOIN operations combine columns from both tables into a single result set, effectively expanding each row with data from both tables.
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