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Question 1: grep `perldoc DBI` for "undef":
undef NULL values are represented by undefined values in Perl You might check like:
Question 2: do a select for that row. Using fetchrow_array(), it will return an empty list if there wasn't a row, so I use MySQL, so maybe Oracle has fancier features, for which read the manual. In reply to Re: Handling Null or Undef values in DBI (and things of those nature)...
by kwoff
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