KFAA31132-E
NULL can be specified as the selection expression of a SELECT statement only in the outermost query excluding WITH clauses and provided that the query is not the target of set operators. (M+J+O)
Although NULL is specified in the selection expression in a query specification, an error occurred in the SELECT statement because the following conditions are not met. <SQLSTATE: 425CM>
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NULL can be specified only in the selection expression for the outermost query specification in the SELECT statement.
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NULL cannot be specified in the selection expression for a query specification that is the target of the set operation.
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NULL cannot be specified in the selection expression for a query specification in the WITH clause.
- S:
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Ignores this SQL statement.
- Action:
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Correct the SQL statement.