Oracle / PLSQL: ORA-00962 Error Message

Learn the cause and how to resolve the ORA-00962 error message in Oracle.

Description

When you encounter an ORA-00962 error, the following error message will appear:

• ORA-00962: too many group-by or order-by expressions

Cause

You tried to execute a SQL statement that contained more than 255 GROUP BY or ORDER BY expressions.

Resolution

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

Option #1

Re-write your SQL statement so that there are no more than 255 Group By or Order By expressions.