Count the categories
In this chapter, we'll be working mostly with the Evanston 311 data in table evanston311
. This is data on help requests submitted to the city of Evanston, IL.
This data has several character columns. Start by examining the most frequent values in some of these columns to get familiar with the common categories.
This exercise is part of the course
Exploratory Data Analysis in SQL
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
-- Select the count of each level of priority
SELECT ___, ___
___ ___
___ ___;