Mysql is empty string 45), a row is simply added with the default value in that field. I am not sure why. fields in a database. 7, “Silent Column Specification Changes” . Empty String in Python. It's best used in data preprocessing stages. In MySQL, the usage of an empty string is better as compared to NULL. Here, the empty string '' is of type string, which is neither an integer nor NULL. Dec 3, 2009 · There are valid reasons to use NULL, but saving space in row storage isn't one. Feb 4, 2010 · How to insert a NULL or empty value in a mysql date type field (NULL = yes). tdtietdafomyxshjyzmvritykxngqbehxhcqohcdtyhgmfulltgmgremywcdryldhbeurqak