xiao Posted December 15, 2007 Share Posted December 15, 2007 What does this argument do? Does it mean the field is required? What if I set to NOT NULL, but don't give it a value when inserting data, do I get an error? Quote Link to comment Share on other sites More sharing options...
Daniel0 Posted December 15, 2007 Share Posted December 15, 2007 What does this argument do? See: http://dev.mysql.com/doc/refman/5.0/en/null-values.html Does it mean the field is required? What if I set to NOT NULL, but don't give it a value when inserting data, do I get an error? No. Quote Link to comment Share on other sites More sharing options...
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