Removing missing values
There are a number of different techniques you can use to fix missing data in T-SQL and in this exercise, you will focus on returning rows with non-missing values. For example, to return all rows with non-missing SHAPE values, you can use:
SELECT *
FROM Incidents
WHERE Shape IS NOT NULL
This exercise is part of the course
Intermediate SQL Server
Exercise instructions
Write a T-SQL query which returns only the IncidentDateTime and IncidentState columns where IncidentState is not missing.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
-- Return the specified columns
___
FROM Incidents
-- Exclude all the missing values from IncidentState
WHERE ___