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SQL Server基础之行数据转换为列数据
准备工作创建表use [test1]gocreate table [dbo].[student]([id] [int] identity(1,1) not null,[name] [nvarchar](50) null,[project]
准备工作创建表use [test1]gocreate table [dbo].[student]([id] [int] identity(1,1) not null,[name] [nvarchar](50) null,[project]