Learn the motive and how to unravel the ORA-01426 error message in Oracle.
When you encounter an ORA-01426 error, the following error message will appear:
ORA-01426: numeric overflow
You tried to evaluate an expression that resulted in a numeric overflow (or underflow).
The option(s) to resolve this Oracle error are:
Re-write your expression using fewer operands.
Make certain that your expression does not consider to infinity.