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A comment on What SQL Analysts Need to Know About Python (2016). Parent comment

Re:What SQL Analysts Need to Know About Python (2016) by andybak on Thursday November 07, 2019 @08:23PM (#21479230)
> When you have millions or billions of rows, SQL calls absolutely become a huge bottleneck.

Not necessarily. It's the specifics of the queries not the number of rows.

Which is why you measure before you optimize.

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