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use strict; # <- NOTE! ... my $sth = $dbh->prepare("UPDATE Images SET strID=? WHERE strID=?"); $sth->execute($strID, $strID); # ...
my $NewStrID = "foo"; my $OldStrID = "bar"; my $sth = $dbh->prepare("UPDATE Images SET strID=? WHERE strID=?"); $sth->execute($NewStrID, $OldStrID); # ...