Oracle : Ошибка ORA-06566

"invalid number of rows specified"
*Cause: 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.
*Action: Specify a number that matches that for previously defined

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