Oracle derecho dos dígitos
-- ORACLE SQL - Get the 2 digits at the RIGHT end of a string
SELECT SUBSTR('TN0001234567890345',-2) FROM DUAL;
Trained Tuna
-- ORACLE SQL - Get the 2 digits at the RIGHT end of a string
SELECT SUBSTR('TN0001234567890345',-2) FROM DUAL;
-- ORACLE SQL - Get the 2 digits at the LEFT end of a string
SELECT SUBSTR('TN0001234567890345',1,2) FROM DUAL;