SQL2008用sql语句给字段添加说明

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'字段说明文字' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'tableName', @level2type=N'COLUMN',@level2name=N'columnName'
GO