sql server substring
SELECT SUBSTRING('SQL Tutorial', 1, 3) AS ExtractString;sql server substring
SELECT SUBSTRING('SQL Tutorial', 1, 3) AS ExtractString;sql substring
-- substr(string, start, [, length ])
SELECT substr('Hello World', 1, 3) ; -- Hel
SELECT substr('Hello World', 4, 5) ; -- lo Wo
SELECT substr('Hello World', 4); -- lo World
SELECT substr('Hello World', -3); -- rldsubstring sql
SELECT SUBSTR(first_name, 0 , 3)
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