Question

我有这个

name1   name2   name3   value1  value2  value3
  A       B       C        1       2       3

我真的需要这个

Name    Value
  A       1
  B       2 
  C       3

请帮帮我。

Answer 1

您可以使用union

<div class="row checkbox-row">
  <div class="col-xs-2 col-xs-offset-4">
    <div class="checkbox-inline">
      <label class="checkbox-inline">
        <input type="checkbox" value="">Adult News</label>
    </div>
  </div>
  <div class="row checkbox-row">
    <div class="col-xs-2">
      <div class="checkbox-inline">
        <label class="checkbox-inline">
          <input type="checkbox" value="">Youth News</label>
      </div>
    </div>
  </div>
</div>

Answer 2

使用以下查询..

  Select name1 Name,value1 Value from YourTable 
   Union all
    Select name2 ,value2 from YourTable 
     Union all
      Select name3 ,value3 from YourTable

Answer 3

临时表方法，如果联合所有执行缓慢或只是为了显示替代....

DECLARE @Table as TABLE (name1 CHAR(1), name2 CHAR(1), name3 CHAR(1), value1 INT, value2 INT, value3 INT)
INSERT INTO @Table VALUES ('A','B','C',1,2,3)

IF OBJECT_ID('tempdb..#TempTable') IS NOT NULL
    BEGIN
        DROP TABLE #TempTable
    END

SELECT name1 as Name, value1 as Value
INTO #TempTable
FROM
    @Table

INSERT INTO #TempTable
SELECT name2, value2
FROM
    @Table

INSERT INTO #TempTable
SELECT name3, value3
FROM
    @Table

SELECT * 
FROm
    #TempTable

SQL Server：将多个列转换为单个列

3 个答案: