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Window Functions in MS SQL Server

Introduction
PARTITION BY
Summary
12. Summary

Instruction

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

  • OVER(PARTITION BY x) is used to define and organize a window frame. PARTITION BY works like GROUP BY because it groups results by column values.
  • The grouping criteria can be a single column or multiple columns separated by commas.
  • Unlike GROUP BY, PARTITION BY does not collapse all the row details.

OK! Ready for a short quiz?

Exercise

Click Next exercise to begin the quiz.