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)