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XQuery By Priscilla Walmsley
March 2007
Pages: 510

| Table of Contents | Index | Sample Chapter | Colophon

Chapter 1 Introduction to XQuery
1. What Is XQuery?
2. Easing into XQuery
3. Path Expressions
4. FLWORs
5. Adding XML Elements and Attributes
6. Functions
7. Joins
8. Aggregating and Grouping Values
Chapter 2 XQuery Foundations
1. The Design of the XQuery Language
2. XQuery in Context
3. Processing Queries
4. The XQuery Data Model
5. Types
6. Namespaces
Chapter 3 Expressions: XQuery Building Blocks
1. Categories of Expressions
2. Keywords and Names
3. Whitespace in Queries
4. Literals
5. Variables
6. Function Calls
7. Comments
8. Evaluation Order and Parentheses
9. Comparison Expressions
10. Conditional (if-then-else) Expressions
11. Logical (and/or) Expressions
Chapter 4 Navigating Input Documents Using Paths
1. Path Expressions
2. Predicates
3. Dynamic Paths
4. Input Documents
5. A Closer Look at Context
Chapter 5 Adding Elements and Attributes to Results
1. Including Elements and Attributes from the Input Document
2. Direct Element Constructors
3. Computed Constructors
Chapter 6 Selecting and Joining Using FLWORs
1. Selecting with Path Expressions
2. FLWOR Expressions
3. Quantified Expressions
4. Selecting Distinct Values
5. Joins
Chapter 7 Sorting and Grouping
1. Sorting in XQuery
2. Grouping
3. Aggregating Values
Chapter 8 Functions
1. Built-in Versus User-Def ined Functions
2. Calling Functions
3. User-Defined Functions
Chapter 9 Advanced Queries
1. Copying Input Elements with Modifications
2. Working with Positions and Sequence Numbers
3. Combining Results
4. Using Intermediate XML Documents
Chapter 10 Namespaces and XQuery
1. XML Namespaces
2. Namespaces and XQuery
3. Namespace Declarations in Queries
4. Controlling Namespace Declarations in Your Results
Chapter 11 A Closer Look at Types
1. The XQuery Type System
2. The Built-in Types
3. Types, Nodes, and Atomic Values
4. Type Checking in XQuery
5. Automatic Type Conversions
6. Sequence Types
7. Constructors and Casting
Chapter 12 Queries, Prologs, and Modules
1. Structure of a Query: Prolog and Body
2. Assembling Queries from Multiple Modules
3. Variable Declarations
4. Declaring External Functions
Chapter 13 Using Schemas with XQuery
1. What Is a Schema?
2. Why Use Schemas with Queries?
3. W3C XML Schema: A Brief Overview
4. In-Scope Schema Definitions
5. Schema Validation and Type Assignment
6. Sequence Types and Schemas
Chapter 14 Static Typing
1. What Is Static Typing?
2. The Typeswitch Expression
3. The Treat Expression
4. Type Declarations
5. The zero-or-one, one-or-more, and exactly-one Functions
Chapter 15 Principles of Query Design
1. Query Design Goals
2. Clarity
3. Modularity
4. Robustness
5. Error Handling
6. Performance
Chapter 16 Working with Numbers
1. The Numeric Types
2. Constructing Numeric Values
3. Comparing Numeric Values
4. Arithmetic Operations
5. Functions on Numbers
Chapter 17 Working with Strings
1. The xs:string Type
2. Constructing Strings
3. Comparing Strings
4. Substrings
5. Finding the Length of a String
6. Concatenating and Splitting Strings
7. Manipulating Strings
8. Whitespace and Strings
9. Internationalization Considerations
Chapter 18 Regular Expressions
1. The Structure of a Regular Expression
2. Representing Individual Characters
3. Representing Any Character
4. Representing Groups of Characters
5. Character Class Expressions
6. Reluctant Quantifiers
7. Anchors
8. Back-References
9. Using Flags
10. Using Sub-Expressions with Replacement Variables
Chapter 19 Working with Dates, Times, and Durations
1. The Date and Time Types
2. The Duration Types
3. Extracting Components of Dates, Times, and Durations
4. Using Arithmetic Operators on Dates, Times, and Durations
5. The Date Component Types
Chapter 20 Working with Qualified Names, URIs, and IDs
1. Working with Qualified Names
2. Working with URIs
3. Working with IDs
Chapter 21 Working with Other XML Components
1. XML Comments
2. Processing Instructions
3. Documents
4. Text Nodes
5. XML Entity and Character References
6. CDATA Sections
Chapter 22 Additional XQuery-Related Standards
1. Serialization
2. XQueryX
3. XQuery Update Facility
4. Full-Text Search
5. XQuery API for Java (XQJ)
Chapter 23 Implementation-Specific Features
1. Conformance
2. XML Version Support
3. Setting the Query Context
4. Option Declarations and Extension Expressions
5. Specifying Serialization Parameters
Chapter 24 XQuery for SQL Users
1. Relational Versus XML Data Models
2. Comparing SQL Syntax with XQuery Syntax
3. Combining SQL and XQuery
4. SQL/XML
Chapter 25 XQuery for XSLT Users
1. XQuery and XPath
2. XQuery Versus XSLT
3. Differences Between XQuery 1.0/XPath 2.0 and XPath 1.0

Appendix A Built-in Function Reference
Appendix B Built-in Types
1. xs:anyAtomicType
2. xs:anyType
3. xs:anyURI
4. xs:base64Binary
5. xs:boolean
6. xs:byte
7. xs:date
8. xs:dateTime
9. xs:dayTimeDuration
10. xs:decimal
11. xs:double
12. xs:duration
13. xs:ENTITIES
14. xs:ENTITY
15. xs:float
16. xs:gDay
17. xs:gMonth
18. xs:gMonthDay
19. xs:gYear
20. xs:gYearMonth
21. xs:hexBinary
22. xs:ID
23. xs:IDREF
24. xs:IDREFS
25. xs:int
26. xs:integer
27. xs:language
28. xs:long
29. xs:Name
30. xs:NCName
31. xs:negativeInteger
32. xs:NMTOKEN
33. xs:NMTOKENS
34. xs:nonNegativeInteger
35. xs:nonPositiveInteger
36. xs:normalizedString
37. xs:NOTATION
38. xs:positiveInteger
39. xs:QName
40. xs:short
41. xs:string
42. xs:time
43. xs:token
44. xs:unsignedByte
45. xs:unsignedInt
46. xs:unsignedLong
47. xs:unsignedShort
48. xs:untyped
49. xs:untypedAtomic
50. xs:yearMonthDuration
Appendix C Error Summary
1. FOAR0001
2. FOAR0002
3. FOCA0001
4. FOCA0002
5. FOCA0003
6. FOCA0005
7. FOCA0006
8. FOCH0001
9. FOCH0002
10. FOCH0003
11. FOCH0004
12. FODC0001
13. FODC0002
14. FODC0003
15. FODC0004
16. FODC0005
17. FODT0001
18. FODT0002
19. FODT0003
20. FOER0000
21. FONS0004
22. FONS0005
23. FORG0001
24. FORG0002
25. FORG0003
26. FORG0004
27. FORG0005
28. FORG0006
29. FORG0008
30. FORG0009
31. FORX0001
32. FORX0002
33. FORX0003
34. FORX0004
35. FOTY0012
36. SENR0001
37. SEPM0004
38. SEPM0009
39. SEPM0010
40. SEPM0016
41. SERE0003
42. SERE0005
43. SERE0006
44. SERE0008
45. SERE0012
46. SERE0014
47. SERE0015
48. SESU0007
49. SESU0011
50. SESU0013
51. XPDY0002
52. XPDY0050
53. XPST0001
54. XPST0003
55. XPST0005
56. XPST0008
57. XPST0010
58. XPST0017
59. XPST0051
60. XPST0080
61. XPST0081
62. XPTY0004
63. XPTY0018
64. XPTY0019
65. XPTY0020
66. XQDY0025
67. XQDY0026
68. XQDY0027
69. XQDY0041
70. XQDY0044
71. XQDY0061
72. XQDY0064
73. XQDY0072
74. XQDY0074
75. XQDY0084
76. XQDY0091
77. XQDY0092
78. XQST0009
79. XQST0012
80. XQST0013
81. XQST0016
82. XQST0022
83. XQST0031
84. XQST0032
85. XQST0033
86. XQST0034
87. XQST0035
88. XQST0036
89. XQST0038
90. XQST0039
91. XQST0040
92. XQST0045
93. XQST0046
94. XQST0047
95. XQST0048
96. XQST0049
97. XQST0054
98. XQST0055
99. XQST0057
100. XQST0058
101. XQST0059
102. XQST0060
103. XQST0065
104. XQST0066
105. XQST0067
106. XQST0068
107. XQST0069
108. XQST0070
109. XQST0071
110. XQST0073
111. XQST0075
112. XQST0076
113. XQST0079
114. XQST0085
115. XQST0087
116. XQST0088
117. XQST0089
118. XQST0090
119. XQST0093
120. XQTY0024
121. XQTY0030
122. XQTY0086
About the Author
Colophon

Return to XQuery

Table of Contents

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-Def ined 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