XQuery
Search Across a Variety of XML Data
Samenvatting
The W3C XQuery 3.1 standard provides a tool to search, extract, and manipulate content, whether it's in XML, JSON or plain text. With this fully updated, in-depth tutorial, you’ll learn to program with this highly practical query language.
Designed for query writers who have some knowledge of XML basics, but not necessarily advanced knowledge of XML-related technologies, this book is ideal as both a tutorial and a reference. You’ll find background information for namespaces, schemas, built-in types, and regular expressions that are relevant to writing XML queries.
This second edition provides:
- A high-level overview and quick tour of XQuery
- New chapters on higher-order functions, maps, arrays, and JSON
- A carefully paced tutorial that teaches XQuery without being bogged down by the details
- Advanced concepts for taking advantage of modularity, namespaces, typing, and schemas
- Guidelines for working with specific types of data, such as numbers, strings, dates, URIs, maps and arrays
- XQuery’s implementation-specific features and its relationship to other standards including SQL and XSLT
- A complete alphabetical reference to the built-in functions, types, and error messages
Specificaties
Inhoudsopgave
U kunt van deze inhoudsopgave een PDF downloaden
1. Introduction to XQuery
2. XQuery Foundations
3. Expressions: XQuery Building Blocks
4. Navigating XML by Using Paths
5. Adding Elements and Attributes to Results
6. Selecting and Joining Using FLWORs
7. Sorting and Grouping
8. Functions
9. Advanced Queries
10. Namespaces and XQuery
11. A Closer Look at Types
12. Prologs, Modules, and Variables
13. Inputs and Outputs
14. Using Schemas with XQuery
15. Static Typing
16. Writing Better Queries
17. Working with Numbers
18. Working with Strings
19. Regular Expressions
20. Working with Dates, Times, and Durations
21. Working with Qualified Names, URIs, and IDs
22. Working with Other XML Constructs
23. Function Items and Higher-Order Functions
24. Maps, Arrays, and JSON
25. Implementation-Specific Features
26. XQuery for SQL Users
27. XQuery for XSLT Users
28. Additional XQuery-Related Standards
Appendix A: Built-in Function Reference
Appendix B: Built-in Types
Appendix C: Error Summary
Index
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