我如何返回一个表的列名使用SQL Server 2008?即一个表包含这些列- id,名称,地址,国家,我想返回这些数据。


当前回答

虽然@Gulzar Nazim的回答很好,但在查询中包含数据库名称可能更容易,这可以通过下面的SQL实现。

SELECT COLUMN_NAME, *
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = 'you-table-name' AND TABLE_CATALOG='your-database-name'

其他回答

您可以使用下面的代码打印所有列名;您还可以修改代码以打印您喜欢的任何格式的其他细节

    declare @Result varchar(max)='
            '
            select @Result=@Result+''+ColumnName+'
            '
            from
            (
                select
                    replace(col.name, ' ', '_') ColumnName,
                    column_id ColumnId
                from sys.columns col
                    join sys.types typ on
                        col.system_type_id = typ.system_type_id AND col.user_type_id = typ.user_type_id
                where object_id = object_id('tblPracticeTestSections')
            ) t
            order by ColumnId
            print @Result

输出

column1
column2
column3
column4

要使用与c#类相同的代码打印表及其列名,请使用以下代码:

    declare @TableName sysname = '<EnterTableName>'
    declare @Result varchar(max) = 'public class ' + @TableName + '
    {'

    select @Result = @Result + '
        public static string ' + ColumnName + ' { get { return "'+ColumnName+'"; } }
    '
    from
    (
        select
            replace(col.name, ' ', '_') ColumnName,
            column_id ColumnId
        from sys.columns col
            join sys.types typ on
                col.system_type_id = typ.system_type_id AND col.user_type_id = typ.user_type_id
        where object_id = object_id(@TableName)
    ) t
    order by ColumnId

    set @Result = @Result  + '
    }'

    print @Result

输出:

 public class tblPracticeTestSections
 {
   public static string column1 { get { return "column1"; } }

   public static string column2{ get { return "column2"; } }

   public static string column3{ get { return "column3"; } }

   public static string column4{ get { return "column4"; } }

 } 

我不确定syscolumns。colid值与作为sp_columns一部分返回的'ORDINAL_POSITION'值相同,但在接下来的内容中,我将以这种方式使用它-希望我没有误导…

这是我发现的一些其他答案的轻微变化-我使用这个是因为表中列的“位置”或顺序在我的应用程序中很重要-我基本上需要知道“列(n)被称为什么?”

sp_columns返回一大堆无关的东西,我使用select函数比T-SQL函数更方便,所以我走了这条路:

select    
  syscolumns.name, 
  syscolumns.colid    
from     
  sysobjects, syscolumns  
where 
  sysobjects.id = syscolumns.id and   
  sysobjects.xtype = 'u' and   
  sysobjects.name = '<YOUR_TABLE>' 
order by syscolumns.colid 
SELECT *
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = N'TableName'
CREATE PROCEDURE [dbo].[Usp_GetColumnName]      
        @TableName varchar(50)
AS
BEGIN   
    BEGIN
        SET NOCOUNT ON
        IF (@TableName IS NOT NULL) 
            select ORDINAL_POSITION OrderPosition,COLUMN_NAME ColumnName from information_schema.columns 
             where table_name =@TableName
             order by ORDINAL_POSITION
    END
END

一种方法是查询syscolumns:

select
   syscolumns.name as [Column],
   syscolumns.xusertype as [Type],
   sysobjects.xtype as [Objtype]
from 
   sysobjects 
inner join 
   syscolumns on sysobjects.id = syscolumns.id
where sysobjects.xtype = 'u'
and   sysobjects.name = 'MyTableName'
order by syscolumns.name