Where
You won't usually want to retrieve every row in your database. You'll have specific information you need in order to answer questions from your boss or colleagues.
The WHERE clause is essential for selecting, updating (and deleting!) data from your tables. You'll continue working with the grid dataset for this exercise.
Deze oefening maakt deel uit van de cursus
Introduction to SQL Server
Oefeninstructies
- Select the
descriptionandevent_yearcolumns. - Return rows
WHEREthedescriptionis'Vandalism'.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
-- Select description and event_year
SELECT
___,
___
FROM
grid
-- Filter the results
___
___ = '___';