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 SUBSTRING SYNTAX
-- ORACLE SQL - Get the 2 digits at the right end of a string
SELECT SUBSTR('TN0001234567890345',-2) FROM DUAL;Subtr Oracle ?
/*Using SUBSTR in Oracle (Example from hackerrank.com): */
/*Simple select query...*/
SELECT DISTINCT city
FROM station
/*Using WHERE and SUBSTR to find (distinct) cities in station table that begin
as well as end with a vowel.*/
WHERE SUBSTR(city,1,1) IN ('A','E','I','O','U')
AND substr(city,-1) IN ('a','e','i','o','u');
/*Parameters for SUBSTR (Substring) in order are as follows:
String, Start, Length.*/Copyright © 2021 Codeinu
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