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-4023: Unknown function name 

Explanation:

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There is no function with the specified name.

Instead of using a valid QUERY expression, an attempt was made to use an invalid QUERY expression (named_query_expression) at this point.

User Action:

Replace the named_query_expression with query_expression. If the error message occurs although there is no named_query_expression in the SQL statement, check whether the specified function is not offered in the SQL mode being used.

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Do without the specified function.

Open a database session using the SQL mode in which the function is available.

       1.      Generate a database function with the specified name and the desired functionality.

 

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