DROP TABLE po_tab;CREATE TABLE po_tab OF xmltypeXMLSchema "http://www.example.com/schemas/ipo.xsd" element "purchaseOrder";CREATE TRIGGER emp_trig BEFORE INSERT OR UPDATE ON po_tab FOR EACH ROWDECLAREnewxml xmltype;BEGInnewxml := :new.sys_nc_rowinfo$;xmltype.schemavalidate(newxml);END...
约束XML里使用xs:作前缀的元素、属性、类型等名称的变量是属于http://www.w3.org/2001/XMLSchema命名空间的。 xmlns=http://www.example.org/personSchema 表示默认的命名空间是http://www.example.org/personSchema,也就是指定未使用任何前缀的元素、数据的命名空间为它. targetNamespace="http://www.example.o...
For example: Copy CREATE TABLE T (XmlColumn xml NOT NULL) Specifying Constraints When you create columns of xml type, you can define column-level or table-level constraints. However, you cannot use the XML data type methods when you specify constraints. An alternative is to create a ...
<datafield tag="610" ind1="0" ind2=" "> <subfield code="a">计算机</subfield> <subfield code="a">笔记本</subfield> </datafield> </record> </collection> 2、在Oracle中创建一个存放该XML文件的表: create or replace table xmlexample( ID varchar2(10), name varchar2(20), data xmltyp...
ExampleContentHandler myHandler = new ExampleContentHandler(); // Create and execute a SQL statement that returns a // set of data. String SQL = "SELECT * FROM TestTable1"; try (ResultSet rs = stmt.executeQuery(SQL)) { rs.next(); SQLXML xmlSource = rs.getSQLXML("Col3"); // Send...
The data is cast to an xml data type. In the following example, the table schema declaration in the WITH clause includes xml type columns. SQL Copy DECLARE @h int; DECLARE @x xml; set @x = '<Root> <row id="1"><lname>Duffy</lname> <Address> <Street>111 Maple</Street> <...
Example DECLARE@UsedRecordsXML;SET@UsedRecords='<Record ID="107" /><Record ID="116" /><Record ID="410" />';SELECTResult.Id.value('@ID','int')FROM@UsedRecords.nodes('/Record')ASResult(Id) query() Method (xml Data Type) https://docs.microsoft.com/en-us/sql/t-sql/xml/query-met...
The XMLType resulting from applying an XPath through extract() need not be a well-formed XML document but can contain a set of nodes or simple scalar data. You can use the getStringVal() or getNumberVal() methods on XMLType to extract the scalar data. For example, the XPath expression...
data type to text. To use this data in a calculation, you'll need to convert the data from text to numbers or dates. For example, a date value converted to text won't work as intended in the YEAR function until you convert it to the Date data type. Excel converts data to text ...
ExampleContentHandler myHandler = new ExampleContentHandler(); // Create and execute a SQL statement that returns a // set of data. String SQL = "SELECT * FROM TestTable1"; try (ResultSet rs = stmt.executeQuery(SQL)) { rs.next(); SQLXML xmlSource = rs.getSQLXML("Col3"); // Send...