Answers for "plsql take first 2 characters"

SQL
1

ORACLE SQL SUBSTR

SUBSTR(string, :START_POS, :SUBSTR_LENGTH);

SELECT SUBSTR('ABCDEFG',3,4) FROM DUAL;
--OUTPUT: CDEF
Posted by: Guest on November-27-2020
0

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.*/
Posted by: Guest on May-12-2020

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