Oracle Substr Instr Code Example


Example 1: 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

Example 2: 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.*/

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