difference between char, nchar, varchar, and nvarchar
摘要:
Just to clear up... or sum up...nchar and nvarchar can store Unicode characters.char and varchar cannot store Unicode characters.char and nchar are fixed-length which will reserve storage space for number of characters you specify even if you don't use up all that space.varchar and nvarchar are 阅读全文
posted @ 2013-02-28 21:54 齐文宣 阅读(151) 评论(0) 推荐(0)
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