INTERVIEW QUESTIONS XML XML SCHEMA DETAILS

Question:
How you use Schema Element in XML Document?

Answer: We can say that <schema> element is an root element in XML Schema.
Now, I given you syntax of an XML Schema.
Syntax:
<?xml version="1.0"?>
<xs:schema>
....
....
</xs:schema>
Yes, Schema element can also contain attribute.
Example:
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.r4r.co.in"
xmlns="http://www.r4r.co.in"
elementFormDefault="qualified">
....
....
</xs:schema>
In the above example "http://www.w3.org/2001/XMLSchema" namespace use to show us datatype that we used in this XML Schema.

targetNamespace="http://www.r4r.co.in" is used to define elements(note, to, from, heading, body) comes from http://www.r4r.co.in namespace in this XML Schema.

xmlns="http://www.r4r.co.in" is used to show the default namespace.

elementFormDefault="qualified"> use to show that all element that we used by XML instance document has qualified namespace.

We can say that <schema> element is an root element in XML Schema.
Now, I given you syntax of an XML Schema.
Syntax:
<?xml version="1.0"?>
<xs:schema>
....
....
</xs:schema>
Yes, Schema element can also contain attribute.
Example:
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.r4r.co.in"
xmlns="http://www.r4r.co.in"
elementFormDefault="qualified">
....
....
</xs:schema>
In the above example "http://www.w3.org/2001/XMLSchema" namespace use to show us datatype that we used in this XML Schema.

targetNamespace="http://www.r4r.co.in" is used to define elements(note, to, from, heading, body) comes from http://www.r4r.co.in namespace in this XML Schema.

xmlns="http://www.r4r.co.in" is used to show the default namespace.

elementFormDefault="qualified"> use to show that all element that we used by XML instance document has qualified namespace.

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