Aman TO_NUMBER()

Dari Oracle Database 12c Release 2 Anda dapat menggunakan TO_NUMBER dengan DEFAULT ... ON CONVERSION ERROR :

SELECT TO_NUMBER('*' DEFAULT 0 ON CONVERSION ERROR) AS "Value"
FROM DUAL;

Atau CAST :

SELECT CAST('*' AS NUMBER DEFAULT 0 ON CONVERSION ERROR) AS "Value"
FROM DUAL;

db<>demo biola