Remember, you should really be using placeholders to prevent SQL injection attacks.
There can only be SQL injection attacks if the OP would be passing in data from untrusted sources to the subroutines.

There is, however, a much better to use placeholders. It'll take care of dealing with undef values.

In reply to Re^2: Flexible Update SQL by JavaFan
in thread Flexible Update SQL by bichonfrise74

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