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
Questo esercizio fa parte del corso
Intermediate SQL Server
Istruzioni dell'esercizio
Write a T-SQL query which returns only the IncidentDateTime and IncidentState columns where IncidentState is not missing.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
-- Return the specified columns
___
FROM Incidents
-- Exclude all the missing values from IncidentState
WHERE ___