Xml
XML is a text-based markup language for encoding structured documents and data using elements, attributes, and nested relationships.
Building Web APIs with ASP.NET Core
XML is a markup-based data interchange format for representing structured information with nested elements and attributes.
- How it is used
- Identifies the format used for SOAP messages and WSDL service descriptions.
- How deep it goes
- Defines XML through its SOAP and WSDL uses, without showing XML syntax or parsing.
- Examples
- Uses SOAP requests, responses, and WSDL files as concrete XML artifacts.
- What you can do after
- Evaluate/understand XML’s role in SOAP and why complex XML messages may be a trade-off.
The Quick Python Book, Fourth Edition
XML is a text-based markup and data-interchange format that represents structured information using nested elements and attributes.
- How it is used
- Uses XML to receive structured data from APIs and other internet services.
- How deep it goes
- Explains nesting, attributes, metadata, and practical parsing, but stops short of detailed XML parser internals.
- Examples
- Demonstrates a World Bank Chile population response, requests retrieval, and xmltodict conversion into nested mappings.
- What you can do after
- Apply it via requests and xmltodict to retrieve XML API data and extract values from nested records.
Read how The Quick Python Book, Fourth Edition explains xml →
Acing the CCNA Exam: Volume 2 Advanced Networking and Security
XML is a text-based markup language and data serialization format that represents structured information with nested elements and attributes.
- How it is used
- Uses structured text to exchange application data and represent Cisco IOS command output for processing.
- How deep it goes
- Defines XML syntax, whitespace behavior, relative readability, REST API support, and one Cisco IOS display command.
- Examples
- Shows show ip interface brief output in standard tabular form and XML with nested interface entries.
- What you can do after
- Operate Cisco IOS show commands with the | format filter and recognize their structured XML output.
Read how Acing the CCNA Exam: Volume 2 Advanced Networking and Security explains xml →
PostgreSQL Mistakes and How to Avoid Them
XML is a text-based markup language and document format for representing structured data with elements, attributes, and declarations.
- How it is used
- Evaluates PostgreSQL XML storage as an application design choice, emphasizing when document copying is safer than querying or manipulation.
- How deep it goes
- Details format, parsing, memory, DTD, and schema limitations, but stops short of describing XML query syntax or PostgreSQL internals.
- Examples
- Compares XML and JSON values with PostgreSQL casts and pg_column_size using a small color property document.
- What you can do after
- Evaluate XML storage decisions and choose JSON(B) for queryable documents or NUMERIC for exact numeric values.
Read how PostgreSQL Mistakes and How to Avoid Them explains xml →
Software Testing with Generative AI
XML is a markup language and data-interchange standard for representing structured information with nested elements and attributes.
- How it is used
- Uses XML to generate structured test datasets and switch an existing data specification between output formats.
- How deep it goes
- Demonstrates root and field conventions plus validation concerns, but stops short of defining XML syntax or processing internals.
- Examples
- Uses room records with nested features, prices, accessibility values, bed counts, and placeholder image URLs.
- What you can do after
- Apply it via prompt engineering to request XML datasets, convert structured objects between formats, and verify generated values against requirements.
Related concepts
- SOAPused by · SOAP is a protocol for exchanging structured messages between distributed applications, commonly using XML-based envelopes over network transport protocols.
- JSONalternative to · JSON is a standardized, language-independent text format for representing structured data using objects, arrays, strings, numbers, Boolean values, and null.
- serializationused by · Serialization is the encoding of structured data or in-memory values into a representation suitable for storage or transmission and later reconstruction.
- Export-Clixmlproduced by · Export-Clixml is a PowerShell cmdlet that serializes objects as CLIXML and writes the representation to a file.
- data formatkind of · A data format is a defined representation, structure, and encoding scheme for storing, transmitting, exchanging, or interpreting data.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.




