sql server 2008 insert statement question
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Published on 2012-07-06T14:47:11Z
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sql
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I am learning sql server 2008 t-sql.
To insert a varchar type, I just need to insert a string 'abc', but for nvarchar type, I need to add N in front (N'abc').
I have a table employee, it has 2 fields, firstname and lastname, they are both nvarchar(20).
insert into employee values('abc', 'def'); I test it, it works, seems like N is not required.
Why we need to add N in front for nvarchar type, what's the pro or con if we are not using it?
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