Trimming strings I

Messy strings can be a problem because sometimes, it is not easy to analyze them without cleaning them.

When analyzing the airports table, you realize that some values of the airport_name column are messy strings. These strings have leading and trailing spaces.

The TRIM() function can help you to remove these additional spaces for the airports table.

Deze oefening maakt deel uit van de cursus

Cleaning Data in SQL Server Databases

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Oefeninstructies

Examine the content of the airports table to see the leading and trailing spaces.
Use the appropriate function to remove the leading and trailing spaces.
Select the source table where the data is.

Praktische interactieve oefening

Probeer deze oefening eens door deze voorbeeldcode in te vullen.

SELECT 
	airport_code,
	-- Use the appropriate function to remove the extra spaces
    ___(___) AS airport_name,
	airport_city,
    airport_state
-- Select the source table
FROM ___

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