Leader specific functions
Leader nodes have special functions that run only on them, a common source of errors. For example, you should always use the SUBSTRING function and avoid SUBSTR. Let's experiment and see why.
Diese Übung ist Teil des Kurses
Introduction to Redshift
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
-- Use SUBSTR on 'datacamp' starting at 4 as extract
SELECT ___('___', ___) AS ___;