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Re^2: undef and empty variablesby herveus (Prior) |
on Jan 19, 2011 at 17:15 UTC ( [id://883168]=note: print w/replies, xml ) | Need Help?? |
Howdy!
Depending on the RDBMS, the empty string may not be distinguished from NULL. Oracle leaps instantly to mind as one which explicitly documents their equivalence between an empty string and NULL. That's not standards compliant, but it's Oracle.
yours, Michael
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