Introduction To XML In Oracle SOA

XML:

<? XML version =”1.0”?> <Employees> <Employee> <name>saiteja</name> <Id>2434</Id> </Employee> </Employees>

Note1:

Id not there then instead of <Id>2430</Id> write <Id/>

Note2:

XML pay load

XML data

XML document

Note 3:

When write the XML document follow the below instructions

Instead of

< - <

> - >

& - &(ampersand)

“ - "(double quote)

‘ - &apos(Single quote)

10,20 numbers:

<? XML version =”1.0”?> <Numbers > <Number > <Num1 >10</Num1 > <Num2>20</Num2> </Number > </Numbers >

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XSD:

<? XML version = “1.0”?> <Schema> <element name=”employees”> <Complex type> <Sequence> <element name= “employee”> <complex Type> <sequence> <Element name =”Name” type =”string”/> <Element name =”Id” type =”int”/> <Element name =”location” type =”string”/> </sequence> </complex Type> </element> </sequence> </complex Type> </elements> </Schema>

XSD: It is used to define the data types of respective XML

Validation/ Enumerations/ restrictions in XSD:

<simple type name = “Name type”> <restriction type/ base= “string”> <enumeration value =”sai”/> <enumeration value =”Teja”/> <enumeration value =”XYZ” /> </restriction> </simple type>.

customer, employee having/wants same data then we are write like this

<? XML version = “1.0”?> <target Name space =”http://TCS.com/add2 numbers”> <Schema> <element name=”employees” Type = “employee Type”/> <element name=”customer” Type = “employee Type”/> <complex Type name=”employee Type/”> <Sequence> <element name=”Name” Type = “string”/> <element name=”Eid” Type = “int”/> </Sequence> </complex Type> </element> </schema>

Definitions:

Name space: To avoid the collision (conflict) we will use the “name space” with identifies

Target name space: It is address of XML,XSD

(or) It is address of any of artefacts -> XML, XSD, XSLT, XQuery, WSDL

Import: It is importing other XSD’s which are having “different T.N.S”.

Include: It is importing other XSD’s which are having “same T.N.S”.

XSD:

<? XML version = “1.0”?> <target Name space =”http://TCS.com/item”> <Schema> <element name=”Item” Type = “Item Type”/> <complex Type name=”Item Type/”> <Sequence> <element name=”item id” Type = “int”/> <element name=”price” Type = “int”/> </Sequence> </complex Type> </element> </schema>

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Import above XSD into My XSD:

<? XML version = “1.0”?> <target Name space =http://oracle.com/customer> XMlns : item =” http://Tcs.com/item” - <types> <import name space =”http://TCS.com/item”> schema location =”tem.XSD” </types>

Include above XSD(item.XSD) into my XSD:

<? XML version = “1.0”?> <target Name space =http://TCS.com/customer> XMlns : item =” http://Tcs.com/item” - <types> <nclude schema location = “item .XSD”> </types>

X –path language:

<? XML version = “1.0”?> <Customers> <Customer> <name> Ramesh </name> <id> 12345</id> <loc> hyd</loc> </Customer> <Customer> <name> Ramesh1 </name> <id> 121121</id> <loc> bngl</loc> </Customer> </Customers>