Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Specifies an XQuery against an instance of the xml data type. The result is of xml type. The method returns an instance of untyped XML. Syntax syntaxsql Kopiera query ('XQuery') Arguments XQuery Is a string, an ...
將檔案儲存為xsdTypeT.xml在您儲存xsdType.xml的相同目錄中。 複製 <ROOT xmlns:sql="urn:schemas-microsoft-com:xml-sql"> <sql:xpath-query mapping-schema="xsdType.xml"> /Order </sql:xpath-query> </ROOT> 為對應架構指定的目錄路徑 (xsdType.xml) ...
XML data XML Data Type & Columns XML Indexes Selective XML Indexes (SXI) XML Schema Collections FOR XML OPENXML Development Internals & architecture Installation Migrate & load data Manage, monitor, & tune Query data Reporting & Analytics Security Tools Tutorials SQL Server on Linux SQL on Azure...
FOR XML OPENXML Vectors in the SQL Database Engine Development Internals & architecture Installation Migrate & load data Manage, monitor, & tune Query data Reporting & Analytics Security Tools Tutorials SQL Server on Linux SQL on Azure Azure Arc ...
适用于:SQL Server Azure SQL 数据库 Azure SQL 托管实例 下面的查询包括 xml 类型的列。 该查询从 Instructions xml 类型的 列的第一个位置检索产品型号 ID、名称和生产步骤。 示例 SQL 复制 USE AdventureWorks2022; GO SELECT ProductModelID, Name, Instructions.query(' declare namespace MI="http://...
在T-Sql中,提供了两个对XML类型数据进行查询的函数,分别是query(xquery)和value(xquery, dataType),其中,query(xquery)得到的是带有标签的数据,而value(xquery, dataType)得到的则是标签的内容。接下类我们分别使用这两个函数来进行查询。 1、使用query(xquery) 查询 ...
https://docs.microsoft.com/en-us/sql/t-sql/xml/query-method-xml-data-type declare@myDocxmlset@myDoc='<Root> <ProductDescription ProductID="1" ProductName="Road Bike"> <Features> <Warranty>1 year parts and labor</Warranty> <Maintenance>3 year parts and labor extended maintenance is avail...
XML 数据类型 base64Binary 映射到各种 SQL Server 数据类型(binary、image 或 varbinary)。若要将 XML 数据类型 base64Binary 映射到特定的 SQL Server 数据类型,请使用 sql:datatype 批注。此批注指定属性要映射到的列的显式 SQL Server 数据类型。当正在数据库中存储数据时,这很有用。通过指定 sql:datatype ...
query() Method value() Method exist() Method modify() Method nodes() Method Binding Relational Data Inside XML Data Guidelines for Using xml Data Type Methods DBCC Functions Language elements Queries Statements xQuery Learn SQL SQL Server
You can use XQuery to query XML instances stored in columns, parameters, or variables. You can also use the XML Data Manipulation Language (XML DML) to apply updates to the XML instances. Because the XQuery standard didn't define XQuery DML at the time of development, SQL Server introduces...