What is XSD ?

XSD stands for XML schema definition , you may familiar with database schema ,if so , this will make it easier for you to understand the idea behind XSD . XSD is a schema for xml files not database . xml define the following :

- Elements in the XML format .
- Base elements and child elements .
- Attributes of the elements .
- Data types of elements values and restrictions on it.
- The number and order of elements.

Advantages of XSD ?

- You write XSD in XML format .
You use XML editors and if you know XML you will be familiar with XSD .
- Contains namesspaces.
Because it is written in XML format .
- Contains datatypes.
This means you can validate the data and put pattern and restrictions on it .
- Better than DTD.