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>Yup, that x'00' is a null and you >will need to address it as >(is null | is not null) With the greatest of respect, the SQL concept of NULL is not the same as placing x'00' in a field. The confusion arises out of an unfortunate naming convention. SQL NULL is an attribute of the column, like size, type and text. SQL NULL is not related to the contents of the field, which can be other than x'00'. Likewise, placing x'00' in a null capable field means nothing to SQL. SQL NULL will be FALSE for that field. --buck
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