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.
Bu egzersiz
Introduction to Redshift
kursunun bir parçasıdırUygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
-- Use SUBSTR on 'datacamp' starting at 4 as extract
SELECT ___('___', ___) AS ___;