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SQL

Which is faster, joins or subqueries?

Data Scientist

Canva

Cloudera

IBM

Dell

StubHub

Intuit

Did you come across this question in an interview?

  • Which is faster, joins or subqueries?
  • If I were to pit joins against subqueries in terms of speed, which do you think would come out on top?
  • Is it true that subqueries tend to be slower in execution than joins?
  • Which one do you think is better in terms of speed- subqueries or joins?
  • If speed is what matters, would you recommend using joins over subqueries?
  • In your experience, have you found that using subqueries is quicker than joining tables?
  • If I were to choose between subqueries and joins, which one do you think would be quicker to execute?
  • When it comes to performance, do you think subqueries or joins are more efficient?
  • Is there a noticeable difference in execution time between subqueries and joining tables in terms of performance?
  • When it comes to performance, which one is quicker- subqueries or joins?

Interview question asked to Data Scientists interviewing at IBM, InVision, Nuro and others: Which is faster, joins or subqueries?.