How to fix the Oracle error ORA-06566: invalid number of rows specified?

In this post, you’ll learn more about the Oracle ErrorORA-06566: invalid number of rows specified with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-06566: invalid number of rows specified

Reason for the Error ORA-06566: invalid number of rows specified

An invalid number of rows was specified in a call to the procedure DEFINE_COLUMN in the package DBMS_SQL. For a given parsed statement in a given cursor, all columns must be defined to have the same number of rows, so all the calls to DEFINE_COLUMN must specify the same number of rows.

How to fix the Error ORA-06566: invalid number of rows specified ?

You can fix this error in Oracle by following the below steps

Specify a number that matches that for previously defined columns.