Find the number in error when you get an ORA-01722 invalid number error. select from where trim(translate(, ‘0123456789’, ‘ ‘)) IS NOT NULL This should return the fields that cannot be converted using TO_NUMBER or where text type data won’t insert into a NUMBER column. How to resolve Oracle error ORA-01722 invalid number error Tagged on: ora-01722 oracle invalid number error ← How to find out which Oracle version is installed on Unix How to check users are not trying to change other users passwords → You May Also Like How to limit the number of objects created by an Oracle user How to find out which Oracle version is installed on Unix How to find the exact difference between dates Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Math Captcha eighty one − = seventy seven