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Introduction to XML: Understanding Structure and Validation in Web Development

In this lesson, we explore the fundamentals of XML (eXtensible Markup Language), including its structure and core technologies. Learn the criteria for a well-formed XML document and the importance of XML validation in ensuring data integrity. We will discuss the role of XML in web applications and its advantages for data management. Engage in discussions about what makes an XML page valid and review its key components. Complete the student activity and submit your assignment for evaluation.

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Introduction to XML: Understanding Structure and Validation in Web Development

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  1. Read and Write XML Data LESSON 2.1 98-363 Web Development Fundamentals

  2. Lesson Overview • What is XML? • In this lesson, you will review: • The structure of an XML document • XML core technologies • Criteria of a well-formed XML document • XML Validation

  3. Guiding Questions What is XML? What role does it play in a Web application? What is the advantage of managing data by using XML?

  4. Anatomy of an XML page

  5. XML Acronym for eXtensible Markup Language A universal format that you can use to describe and exchange structured documents and data Used to define elements and attributes A valid XML page must be well-formed Uniform method to describe and exchange data

  6. Assignment • Complete the Student Activity 2.1. • You may work in a group but are responsible for your own work. • Turn in the completed assignment to your instructor for review.

  7. Lesson Review • What is meant by a well-formed XML page? • How do you know an XML page is valid? • What are the key components of an XML Page?

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