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Counting

Having explored the 'MRO' region, let's now explore the 'RFC' region in more detail while learning how to use the COUNT aggregate function.

nerc_region map

This exercise is part of the course

Introduction to SQL Server

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Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

-- Obtain a count of 'grid_id'
SELECT 
  ___(___) ___ ___ 
FROM 
  grid;
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