XML Data Type Methods(一) /*XML Data Type Methods: 1.The query('XQuery') method retrieves(vt.检索,重新得到) a subset of untyped XML from the target XML instance 2.The value('XQuery',dataType) method returns a scalar value(标量值) from the targeted XML document…
nodes() Method (xml Data Type) https://docs.microsoft.com/en-us/sql/t-sql/xml/nodes-method-xml-data-type The nodes() method is useful when you want to shred an xml data type instance into relational data. It allows you to identify nodes that will be…
Recently while working with data migration,got an error while running a following query where Server2 has beed added as linked server. SELECT * FROM Server1.Database1.dbo.Table1 WHERE Column1 NOT IN (SELECT Column1 FROM Server2.Database2.dbo.Table1)…
java.lang.IllegalStateException: No data type for node: org.hibernate.hql.ast.tree.IdentNode \-[IDENT] IdentNode: '字段名' {originalText=字段名} 原因是: 在hql欲查询的字段名(对象属性名)和hbm.xml中的属性不匹配或者找不到引起的. 引用了一个“字段名”,但字段名没定义或者在别地引用类里面有重复. 建议一: 检查配置文件以及pojo,看字段名是否一致或者是…
FusionCharts的确功能是够强大的.收集的功能估计更强大.在初次使用时,对着手册,一步一步操作,就是生成图表工具不成功.一直报"Invalid xml data"错误.后面排查,发现可能有以下几个问题.1.xml文件格式问题.特别是配对符号.确保访问时,是OK的.2.XML文件的BOM问题.如果xml文件里有中文,一定要记得增加BOM.在Dreamweaver里增加,是打开xml文件->'修改'菜单->'页面属性'->'标题/编码'->'包括 Unico…
PHP stands for "Hypertext Preprocessor" ,it is a server scripting language. What Can PHP Do? PHP can generate dynamic page content PHP can create, open, read, write, delete, and close files on the server PHP can collect form data PHP can send an…
刚刚有在程序中,传递一个空值至MS SQL Server数据库,这个值的数据类型为DATETIME执行时,它却发生了如标题提示的异常:The conversion of a varchar data type to a datetime data type resulted in an out-of-range value. 跟踪一下,当遇上一个空值时,它并没有真正是给一个空值给数据库,而是Datetime的最小值"1/1/0001 12:00:00 AM" 在两个文本框都是空值时,跟…
WCF服务接口多,客户端在引用时出错!报WCF The maximum nametable character count quota (16384) has been exceeded while reading XML data错误 在服务端中定义接口太多时,在客户端的服务引用时,报错误: 元数据包含无法解析的引用:“net.tcp://localhost:8081/BaseData/mex”. XML 文档中有错误. 读取 XML 数据时,超出最大名称表字符计数配额 (1638…