SET @cmd = N'DELETE FROM'+ @table_name +'WHERE'+ @nameField +'='''+ @ value +''''在上面的语句中有什么用途？ [英] SET @cmd = N'DELETE FROM ' + @table_name + ' WHERE ' + @nameField +' = ''' + @value +''' ' in above statement what is the use of N
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Hi,
SET @cmd = N'DELETE FROM ' + @table_name + ' WHERE ' + @nameField +' = ''' + @value +''' ' in above statement what is the use of N
推荐答案
阅读以下内容： http://databases.aspfaq.com/general/why-do-some-sql-strings-have-an -n -prefix.html [ ^ ]
Read the following : http://databases.aspfaq.com/general/why-do-some-sql-strings-have-an-n-prefix.html[^]
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