
XML Course
Master XML from the ground up — syntax, validation, transformation, querying, and programmatic parsing. This course covers every major XML technology used in professional software development, including XSD, XSLT, XPath, and XQuery. Whether you're integrating data systems or designing enterprise schemas, you'll gain the hands-on skills employers need.
What your team will master:
You'll start with core XML syntax and document structure, then move into validation using both DTD and XSD. From there, you'll learn to navigate documents with XPath, transform them with XSLT, and query XML data using XQuery. The course also covers DOM, SAX, and StAX parsing APIs so you can integrate XML processing into real applications. You'll explore namespaces, XML security standards, web services, and JSON interoperability. By the end, you'll have a complete, professional-grade XML skill set ready for immediate use.
How your team learns in practice XML Course
How your team practices XML Course
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Course content
8 Chapters • 41 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsIntroduction to XML Fundamentals
Introduction to XML Fundamentals
Lesson 1 • Character Data and Special Characters
Addresses text content, whitespace handling, and reserved characters. Prevents common encoding mistakes when authoring XML.
Lesson 2 • Core XML Syntax Rules
Teaches the mandatory syntax rules that make a document well-formed. Mastery here prevents parsing errors throughout the course.
Lesson 3 • XML Document Structure
Explains the logical structure of an XML document from prolog to root element. Students gain a mental model for organizing any XML file.
Lesson 4 • What XML Is and Why It Matters
Covers XML's origin, design goals, and contrast with HTML. Establishes context for every subsequent technical topic in the chapter.
Chapter 2HideHide detailsSee detailsValidating XML with DTD
Validating XML with DTD
Lesson 1 • Declaring Attributes in a DTD
Covers ATTLIST declarations, attribute types, and default values. Completes the DTD skill set needed to validate real-world documents.
Lesson 2 • Declaring Elements in a DTD
Teaches element declarations, content models, and occurrence indicators. Students write declarations that mirror real document structures.
Lesson 3 • Purpose and Scope of Validation
Distinguishes well-formed from valid XML and explains why validation matters. Sets the rationale for learning DTD before more advanced schema languages.
Lesson 4 • Internal and External DTDs
Explains how to embed a DTD inside a document or reference an external file. Students choose the right approach for different project scenarios.
Lesson 5 • Entities and Notations in DTDs
Introduces general, parameter, and unparsed entities plus notation declarations. Extends DTD authoring to handle reusable content and binary references.
Chapter 3HideHide detailsSee detailsXML Schema Definition (XSD) Essentials
XML Schema Definition (XSD) Essentials
Lesson 1 • Schema Extension and Restriction
Covers type derivation by extension and restriction to build type hierarchies. Students create flexible schemas that accommodate evolving data requirements.
Lesson 2 • Complex Types and Content Models
Teaches complex type definitions with sequence, choice, and all compositors. Students model nested document structures accurately.
Lesson 3 • Simple Types and Built-in Datatypes
Covers XSD's built-in primitive and derived types for element and attribute values. Students apply correct types to enforce data integrity.
Lesson 4 • Reusable Schema Components
Explains named types, element groups, and attribute groups for schema reuse. Reduces redundancy and improves schema maintainability.
Lesson 5 • Modular Schema Design
Teaches include, import, and redefine directives for multi-file schema projects. Students organize large schemas into maintainable, modular components.
Lesson 6 • XSD Structure and Namespaces
Introduces the XSD document skeleton, target namespace, and namespace declarations. Provides the structural foundation for all subsequent schema authoring.
Chapter 4HideHide detailsSee detailsNavigating XML with XPath
Navigating XML with XPath
Lesson 1 • XPath Functions and Operators
Surveys string, numeric, boolean, and node-set functions built into XPath. Students combine functions with path expressions for complex queries.
Lesson 2 • Location Paths and Axes
Teaches absolute and relative location paths using all XPath axes. Students navigate any part of an XML tree with precision.
Lesson 3 • Predicates and Filtering Nodes
Covers predicate syntax for filtering node sets by position, value, or condition. Enables targeted selection within large XML documents.
Lesson 4 • XPath Data Model and Node Types
Introduces the XPath tree model and its seven node types. Understanding node types is prerequisite to writing correct path expressions.
Lesson 5 • XPath 2.0 and 3.1 Enhancements
Highlights key additions in XPath 2.0 and 3.1 over the 1.0 baseline. Prepares students for modern XSLT and XQuery environments.
Chapter 5HideHide detailsSee detailsTransforming XML with XSLT
Transforming XML with XSLT
Lesson 1 • XSLT Stylesheet Structure
Explains the root stylesheet element, namespace declarations, and output method. Establishes the skeleton every XSLT stylesheet must follow.
Lesson 2 • Advanced XSLT Techniques
Explores keys, grouping, and multi-document processing for complex transformations. Students handle real-world scenarios beyond simple one-to-one mappings.
Lesson 3 • Variables, Parameters, and Expressions
Covers xsl:variable, xsl:param, and XPath expressions within stylesheets. Students write dynamic, reusable transformation logic.
Lesson 4 • Template Rules and Pattern Matching
Teaches xsl:template, match patterns, and the built-in template rules. Students control which nodes are processed and how output is generated.
Lesson 5 • Control Flow in XSLT
Introduces xsl:if, xsl:choose, and xsl:for-each for conditional and iterative output. Enables data-driven transformations based on document content.
Lesson 6 • Generating Output Elements and Text
Teaches xsl:element, xsl:attribute, xsl:text, and xsl:value-of for precise output construction. Students produce well-formed output documents from any input.
Chapter 6HideHide detailsSee detailsQuerying XML with XQuery
Querying XML with XQuery
Lesson 1 • XQuery Modules and Optimization
Introduces library modules, main modules, and query optimization strategies. Students organize large query projects and improve execution performance.
Lesson 2 • Constructing and Updating XML
Explains direct and computed element constructors and the XQuery Update Facility. Students produce new XML structures and modify existing documents.
Lesson 3 • XQuery Language Overview
Positions XQuery relative to SQL and XSLT and introduces its execution model. Provides context for choosing XQuery in data-centric XML projects.
Lesson 4 • XQuery Functions and Types
Covers built-in functions, user-defined functions, and XQuery's type system. Students write modular, type-safe query logic.
Lesson 5 • FLWOR Expressions
Teaches the For, Let, Where, Order by, and Return clauses as XQuery's core construct. Students retrieve and reshape XML data with SQL-like expressiveness.
Chapter 7HideHide detailsSee detailsParsing and Processing XML Programmatically
Parsing and Processing XML Programmatically
Lesson 1 • SAX Event-Driven Parsing
Teaches the SAX push-parsing model using content handler callbacks. Students process large XML files efficiently without loading the full tree.
Lesson 2 • DOM Parsing and Tree Manipulation
Covers loading an XML document into a DOM tree and navigating or modifying nodes. Students perform CRUD operations on in-memory XML trees.
Lesson 3 • Namespace Handling in Parsers
Explains how parsers resolve namespace prefixes and local names at runtime. Prevents namespace-related bugs in multi-namespace XML applications.
Lesson 4 • StAX Pull Parsing
Introduces the StAX cursor and iterator APIs for pull-based XML parsing. Students control parsing flow for streaming and partial-document scenarios.
Lesson 5 • Error Handling and Parser Security
Covers fatal errors, recoverable errors, and XML-specific security vulnerabilities. Students write robust parsers that resist malformed input and injection attacks.
Chapter 8HideHide detailsSee detailsXML Namespaces and Advanced Design
XML Namespaces and Advanced Design
Lesson 1 • XML Namespace Mechanics
Explains namespace URIs, prefix declarations, and scope rules in depth. Correct namespace usage is essential for schema validation and API interoperability.
Lesson 2 • Designing XML Vocabularies
Covers element-centric vs. attribute-centric design and naming conventions. Students make deliberate design choices that affect usability and extensibility.
Lesson 3 • XML Linking and Inclusion
Introduces XLink for hyperlinking and XInclude for document composition. Students create modular, cross-referenced XML document sets.
Lesson 4 • Combining Multiple Namespaces
Teaches how to mix vocabularies from different namespaces in a single document. Students build compound documents that conform to multiple schemas simultaneously.
Lesson 5 • Performance and Scalability Patterns
Addresses streaming, lazy parsing, and chunking strategies for large XML datasets. Students apply architectural patterns that keep XML processing efficient at scale.
Your valid completion certificate
This course is for you:
Backend developers: need structured XML skills to handle enterprise data integrations confidently.
Data engineers: work with XML pipelines and want deeper validation and querying knowledge.
QA engineers: test XML-based APIs and need to read, write, and validate payloads accurately.
Systems integrators: connect heterogeneous platforms where XML remains the dominant exchange format.
Technical writers: document XML schemas and vocabularies and want hands-on authoring fluency.
Career changers from IT support: ready to move into development roles that involve XML processing.
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