PLS-00396: INSERT statement's subquery yields wrong number of columns

PLS-00396: INSERT statement's subquery yields wrong number
of columns

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PLS-00396: INSERT statement's subquery yields wrong number of columns..

Answer / guest

Cause: The number of columns in an INSERT statement does not
match the number of columns in a subquery select list. For
example, the following statement is faulty because no
corresponding column is specified for col3: INSERT INTO emp
(ename, empno) SELECT col1, col2, col3 FROM ...

Action: Change the number of items in the column list of the
INSERT statement or the number of items in the select list
so that the numbers match.

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