[EMAIL PROTECTED] writes: > A null is *not* a value. > A null is *not* a "special" value. > A null is the absence of a value.
A quotation directly from the SQL standard: Every data type includes a special value, called the null value, This seems to directly contradict those three statements. -- Peter Eisentraut [EMAIL PROTECTED] ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org