By Priscilla Walmsley Publisher: O'Reilly Media Released: March 2007 Pages: 512
With the XQuery 1.0 standard, you finally have a tool that will make it much easier to search, extract and manipulate information from XML content stored in databases. This in-depth tutorial not only walks you through the XQuery specification, but also teaches you how to program with this widely anticipated query language. XQuery is for query writers who have some knowledge of XML basics, but not necessarily advanced knowledge of XML-related technologies. It can be used both as a tutorial, by reading cover to cover, and as a reference, by using the comprehensive index and appendixes. Either way, you will find the background knowledge in namespaces, schemas, built-in types and regular expressions that is relevant to writing XML queries. This book provides: - A high-level overview and quick tour of XQuery
- Information to write sophisticated queries, without being bogged down by the details of types, namespaces, and schemas
- Advanced concepts for users who want to take advantage of modularity, namespaces, typing and schemas
- Guidelines for working with specific types of data, such as numbers, strings, dates, URIs and processing instructions
- A complete alphabetical reference to the built-in functions and types
You will also learn about XQuery's support for filtering, sorting, and grouping data, as well as how to use FLWOR expressions, XPath, and XQuery tools for extracting and combining information. With this book, you will discover how to apply all of these tools to a wide variety of data sources, and how to recombine information from multiple sources into a single final output result. Whether you're coming from SQL, XSLT, or starting from scratch, this carefully paced tutorial takes you through the final 1.0 standard in detail. |
-
Chapter 1 Introduction to XQuery -
What Is XQuery? -
Easing into XQuery -
Path Expressions -
FLWORs -
Adding XML Elements and Attributes -
Functions -
Joins -
Aggregating and Grouping Values -
Chapter 2 XQuery Foundations -
The Design of the XQuery Language -
XQuery in Context -
Processing Queries -
The XQuery Data Model -
Types -
Namespaces -
Chapter 3 Expressions: XQuery Building Blocks -
Categories of Expressions -
Keywords and Names -
Whitespace in Queries -
Literals -
Variables -
Function Calls -
Comments -
Evaluation Order and Parentheses -
Comparison Expressions -
Conditional (if-then-else) Expressions -
Logical (and/or) Expressions -
Chapter 4 Navigating Input Documents Using Paths -
Path Expressions -
Predicates -
Dynamic Paths -
Input Documents -
A Closer Look at Context -
Chapter 5 Adding Elements and Attributes to Results -
Including Elements and Attributes from the Input Document -
Direct Element Constructors -
Computed Constructors -
Chapter 6 Selecting and Joining Using FLWORs -
Selecting with Path Expressions -
FLWOR Expressions -
Quantified Expressions -
Selecting Distinct Values -
Joins -
Chapter 7 Sorting and Grouping -
Sorting in XQuery -
Grouping -
Aggregating Values -
Chapter 8 Functions -
Built-in Versus User-Defined Functions -
Calling Functions -
User-Defined Functions -
Chapter 9 Advanced Queries -
Copying Input Elements with Modifications -
Working with Positions and Sequence Numbers -
Combining Results -
Using Intermediate XML Documents -
Chapter 10 Namespaces and XQuery -
XML Namespaces -
Namespaces and XQuery -
Namespace Declarations in Queries -
Controlling Namespace Declarations in Your Results -
Chapter 11 A Closer Look at Types -
The XQuery Type System -
The Built-in Types -
Types, Nodes, and Atomic Values -
Type Checking in XQuery -
Automatic Type Conversions -
Sequence Types -
Constructors and Casting -
Chapter 12 Queries, Prologs, and Modules -
Structure of a Query: Prolog and Body -
Assembling Queries from Multiple Modules -
Variable Declarations -
Declaring External Functions -
Chapter 13 Using Schemas with XQuery -
What Is a Schema? -
Why Use Schemas with Queries? -
W3C XML Schema: A Brief Overview -
In-Scope Schema Definitions -
Schema Validation and Type Assignment -
Sequence Types and Schemas -
Chapter 14 Static Typing -
What Is Static Typing? -
The Typeswitch Expression -
The Treat Expression -
Type Declarations -
The zero-or-one, one-or-more, and exactly-one Functions -
Chapter 15 Principles of Query Design -
Query Design Goals -
Clarity -
Modularity -
Robustness -
Error Handling -
Performance -
Chapter 16 Working with Numbers -
The Numeric Types -
Constructing Numeric Values -
Comparing Numeric Values -
Arithmetic Operations -
Functions on Numbers -
Chapter 17 Working with Strings -
The xs:string Type -
Constructing Strings -
Comparing Strings -
Substrings -
Finding the Length of a String -
Concatenating and Splitting Strings -
Manipulating Strings -
Whitespace and Strings -
Internationalization Considerations -
Chapter 18 Regular Expressions -
The Structure of a Regular Expression -
Representing Individual Characters -
Representing Any Character -
Representing Groups of Characters -
Character Class Expressions -
Reluctant Quantifiers -
Anchors -
Back-References -
Using Flags -
Using Sub-Expressions with Replacement Variables -
Chapter 19 Working with Dates, Times, and Durations -
The Date and Time Types -
The Duration Types -
Extracting Components of Dates, Times, and Durations -
Using Arithmetic Operators on Dates, Times, and Durations -
The Date Component Types -
Chapter 20 Working with Qualified Names, URIs, and IDs -
Working with Qualified Names -
Working with URIs -
Working with IDs -
Chapter 21 Working with Other XML Components -
XML Comments -
Processing Instructions -
Documents -
Text Nodes -
XML Entity and Character References -
CDATA Sections -
Chapter 22 Additional XQuery-Related Standards -
Serialization -
XQueryX -
XQuery Update Facility -
Full-Text Search -
XQuery API for Java (XQJ) -
Chapter 23 Implementation-Specific Features -
Conformance -
XML Version Support -
Setting the Query Context -
Option Declarations and Extension Expressions -
Specifying Serialization Parameters -
Chapter 24 XQuery for SQL Users -
Relational Versus XML Data Models -
Comparing SQL Syntax with XQuery Syntax -
Combining SQL and XQuery -
SQL/XML -
Chapter 25 XQuery for XSLT Users -
XQuery and XPath -
XQuery Versus XSLT -
Differences Between XQuery 1.0/XPath 2.0 and XPath 1.0 -
Appendix A Built-in Function Reference -
Appendix B Built-in Types -
xs:anyAtomicType -
xs:anyType -
xs:anyURI -
xs:base64Binary -
xs:boolean -
xs:byte -
xs:date -
xs:dateTime -
xs:dayTimeDuration -
xs:decimal -
xs:double -
xs:duration -
xs:ENTITIES -
xs:ENTITY -
xs:float -
xs:gDay -
xs:gMonth -
xs:gMonthDay -
xs:gYear -
xs:gYearMonth -
xs:hexBinary -
xs:ID -
xs:IDREF -
xs:IDREFS -
xs:int -
xs:integer -
xs:language -
xs:long -
xs:Name -
xs:NCName -
xs:negativeInteger -
xs:NMTOKEN -
xs:NMTOKENS -
xs:nonNegativeInteger -
xs:nonPositiveInteger -
xs:normalizedString -
xs:NOTATION -
xs:positiveInteger -
xs:QName -
xs:short -
xs:string -
xs:time -
xs:token -
xs:unsignedByte -
xs:unsignedInt -
xs:unsignedLong -
xs:unsignedShort -
xs:untyped -
xs:untypedAtomic -
xs:yearMonthDuration -
Appendix C Error Summary -
FOAR0001 -
FOAR0002 -
FOCA0001 -
FOCA0002 -
FOCA0003 -
FOCA0005 -
FOCA0006 -
FOCH0001 -
FOCH0002 -
FOCH0003 -
FOCH0004 -
FODC0001 -
FODC0002 -
FODC0003 -
FODC0004 -
FODC0005 -
FODT0001 -
FODT0002 -
FODT0003 -
FOER0000 -
FONS0004 -
FONS0005 -
FORG0001 -
FORG0002 -
FORG0003 -
FORG0004 -
FORG0005 -
FORG0006 -
FORG0008 -
FORG0009 -
FORX0001 -
FORX0002 -
FORX0003 -
FORX0004 -
FOTY0012 -
SENR0001 -
SEPM0004 -
SEPM0009 -
SEPM0010 -
SEPM0016 -
SERE0003 -
SERE0005 -
SERE0006 -
SERE0008 -
SERE0012 -
SERE0014 -
SERE0015 -
SESU0007 -
SESU0011 -
SESU0013 -
XPDY0002 -
XPDY0050 -
XPST0001 -
XPST0003 -
XPST0005 -
XPST0008 -
XPST0010 -
XPST0017 -
XPST0051 -
XPST0080 -
XPST0081 -
XPTY0004 -
XPTY0018 -
XPTY0019 -
XPTY0020 -
XQDY0025 -
XQDY0026 -
XQDY0027 -
XQDY0041 -
XQDY0044 -
XQDY0061 -
XQDY0064 -
XQDY0072 -
XQDY0074 -
XQDY0084 -
XQDY0091 -
XQDY0092 -
XQST0009 -
XQST0012 -
XQST0013 -
XQST0016 -
XQST0022 -
XQST0031 -
XQST0032 -
XQST0033 -
XQST0034 -
XQST0035 -
XQST0036 -
XQST0038 -
XQST0039 -
XQST0040 -
XQST0045 -
XQST0046 -
XQST0047 -
XQST0048 -
XQST0049 -
XQST0054 -
XQST0055 -
XQST0057 -
XQST0058 -
XQST0059 -
XQST0060 -
XQST0065 -
XQST0066 -
XQST0067 -
XQST0068 -
XQST0069 -
XQST0070 -
XQST0071 -
XQST0073 -
XQST0075 -
XQST0076 -
XQST0079 -
XQST0085 -
XQST0087 -
XQST0088 -
XQST0089 -
XQST0090 -
XQST0093 -
XQTY0024 -
XQTY0030 -
XQTY0086 -
Colophon |
- Title:
- XQuery
- By:
- Priscilla Walmsley
- Publisher:
- O'Reilly Media
- Formats:
-
- Print
- Ebook
- Safari Books Online
- Print:
- March 2007
- Ebook:
- June 2009
- Pages:
- 512
- Print ISBN:
- 978-0-596-00634-1
- | ISBN 10:
- 0-596-00634-9
- Ebook ISBN:
- 978-0-596-15924-5
- | ISBN 10:
- 0-596-15924-2
|
Colophon The animal on the cover of XQuery is the satyr tragopan (Tragopan satyra), a member of the pheasant family and one of five tragopan species. This bird, sometimes called the crimson horned tragopan, inhabits the Himalayas, from Kashmir east up into Tibet and central China. Its two names are derived from the distinctive appearance of the male--his protruding fleshy outgrowths above the eyes, which look like horns, and his bright red plumage. Both plumage and horns are central to his courtship displays.
Tragopans feed on insects, leaves, sprouts, and seeds and are thought to be monogamous. Although incubation is done entirely by the female, the male may assist in tending the chicks. Most tragopans are good breeders in captivity, adapting well to various cold-weather climates and becoming quite tame.
Four of the five species of tragopans are in danger of extinction due to the destruction of their habitats. Unlike most fowl, tragopans live at very high elevations, ranging from 925 to 3650 meters. In the winter they are typically found in the thickest parts of pine trees, but during mating season they travel upward to the extreme limits of the forest. Finding a high branch, the male tragopan establishes a territorial perch from which he makes mating calls at five-minute intervals. His call, which some have described as similar to that of a goose or young lamb, can be heard for more than a mile. |
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Customer Reviews
4/29/2008 (1 of 1 customers found this review helpful) 4.0Clever introduction, comprehensive reference, all round solid work. By Anonymous from Undisclosed |
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