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T-sql for xml path使用(转)

时间:2017-07-27 15:52:09      阅读:224      评论:0      收藏:0      [点我收藏+]

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参考:

http://www.cnblogs.com/langhua/p/4193161.html

//用法: FOR XML PATH 方法是用于将查询结果集以XML形式展示
sql:
select top 5 p.ContactTypeID,p.ModifiedDate,p.Name from [Person].[ContactType] p for xml path
显示结果:
<row>
  <ContactTypeID>1</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Accounting Manager</Name>
</row>
<row>
  <ContactTypeID>2</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Assistant Sales Agent</Name>
</row>
<row>
  <ContactTypeID>3</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Assistant Sales Representative</Name>
</row>
<row>
  <ContactTypeID>4</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Coordinator Foreign Markets</Name>
</row>
<row>
  <ContactTypeID>5</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Export Administrator</Name>
</row>
path的用法:用来指定行结点,如果不指定行节点,默认使用‘row‘,
sql:
select top 5 p.ContactTypeID,p.ModifiedDate,p.Name from [Person].[ContactType] p for xml path(AA)
显示结果:
<AA>
  <ContactTypeID>1</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Accounting Manager</Name>
</AA>
<AA>
  <ContactTypeID>2</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Assistant Sales Agent</Name>
</AA>
<AA>
  <ContactTypeID>3</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Assistant Sales Representative</Name>
</AA>
<AA>
  <ContactTypeID>4</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Coordinator Foreign Markets</Name>
</AA>
<AA>
  <ContactTypeID>5</ContactTypeID>
  <ModifiedDate>2002-06-01T00:00:00</ModifiedDate>
  <Name>Export Administrator</Name>
</AA>
下来来利用 for xml path 输出结果就是一行字符串,如果去掉行节点就可以把整列的结果输出一行,
sql : select top 5 ‘[‘+ p.Name+‘]‘ from [Person].[ContactType] p for xml path(‘‘)
显示结果: 
[Accounting Manager][Assistant Sales Agent][Assistant Sales Representative][Coordinator Foreign Markets][Export Administrator]

T-sql for xml path使用(转)

标签:dmi   for   count   http   参考   typeid   foreign   logs   www   

原文地址:http://www.cnblogs.com/shy1766IT/p/7244900.html

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