You need to pass some arguments to execute: That is:

$INSERT_CURSOR->execute();
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Should be:

$INSERT_CURSOR->execute($some_var,$some_other_var);
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As you have two place holders but in your $INSERT_CURSOR but no variables bound to them when you call execute it. Note that in the above the variables $some_var, and $some_other_var relate to the two ? in your statement. Have a look at: The DBI Documention on Placeholders

-enlil