How to resolve ORA-01454 Error Message in Oracle database

Learn the reason and how to unravel the ORA-01454 error message in Oracle.

Description

When you come upon an ORA-01454 error, the following error message will appear:

ORA-01454: cannot convert column into numeric datatype

Cause

You tried to convert a non-numeric column into a range value, but the column contained non-numeric characters and should now not be converted.

Resolution

The option(s) to resolve this Oracle error are:

Option #1

Make sure that the values in the column solely incorporate the following:

Numbers (+) or (-) sign Decimal point Scientific notation (E or e)