摘要：
Same:1.store unicode charactor.2. A charactor is stroed with 2 bytes.Different.1. nchar 会自动填充数据到定义的固定长度；nvarchar 是数据有多长就存多少数据。Example：Create a table like below and store "A" in the two column.CREATE TABLE [dbo].[AAAAA]( [name] [nchar](10) NULL, [newName] [nvarchar](10) NULL) ON [PRIMARY] R 阅读全文
