SUBSTR In Oracle Code Example


Example 1: plsql left() function

SUBSTR( "20190601", 0, 6 )

Example 2: 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 3: plsql substr

SUBSTR( string, start_position [, length ] )

Example 4: oracle leftmost characters

-- For Oracle only  -- syntax  SUBSTR(<main-string>,1,<number-of-characters>)  -- example  SUBSTR('Useless stuff',1,10) -- OUTPUT: Useless st  -- practical example SELECT SUBSTR('Useless stuff',1,10) FROM DUAL;

Example 5: ORACLE SQL SUBSTR

SUBSTR(string, :START_POS, :SUBSTR_LENGTH);  SELECT SUBSTR('ABCDEFG',3,4) FROM DUAL; --OUTPUT: CDEF

Example 6: 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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