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Window Functions in PostgreSQL

Introduction
PARTITION BY
Summary
12. Summary

Instruction

Excellent! Let's review what we've learned in this part:

  • OVER(PARTITION BY x) works in a similar way to GROUP BY, defining the window as all the rows in the query result that have the same value in x.
  • x can be a single column or multiple columns separated by commas.

Alright. How about a short quiz?

Exercise

Click Next exercise to begin the quiz.