oracle substring
-- ORACLE substr(string, start, [, length ])
SELECT substr('Hello World', 4, 5) FROM DUAL; -- lo Wo
SELECT substr('Hello World', 4) FROM DUAL; -- lo World
SELECT substr('Hello World', -3) FROM DUAL; -- rld
SELECT substr('Hello World', -3, 2) FROM DUAL; -- rloracle right characters
-- For Oracle only
-- syntax
SUBSTR(<main-string>,-<number-of-characters>)
-- example
SUBSTR('Useless stuff',-9) -- OUTPUT: ess stuff
-- practical example
SELECT SUBSTR('Useless stuff',-9)
FROM DUAL;Copyright © 2021 Codeinu
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