Example 1: plsql left() function
SUBSTR( "20190601", 0, 6 )
Example 2: plsql substr
SUBSTR( string, start_position [, length ] )
Example 3: oracle 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;
Example 4: Subtr Oracle ?
SELECT DISTINCT city FROM station WHERE SUBSTR(city,1,1) IN ('A','E','I','O','U') AND substr(city,-1) IN ('a','e','i','o','u');
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