[MySQL][Char][VARCHAR][VARCHAR2] 資料類型差異
S7an
1月 02, 2013
0 Comments
CHAR:以空格填滿不足的字串長度 NCHAR:以空格填滿不足的字串長度，for unicode VARCHAR:以空白填滿不足的字串長度 VARCHAR2:以null填滿不足的字串長度，也就是會適應字串長度 NVARCHAR2:以空白填滿不足的字串長度，for unic...
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