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List of Examples

List of Figures

List of Tables

Title and Copyright Information

Preface

• Audience
• Documentation Accessibility
• Related Documents
• Conventions
• Code Examples
• Syntax Descriptions

What's New in Oracle XML DB?

• Oracle Database 11g Release 2 (11.2.0.3) Deprecated Oracle XML DB Constructs
• Oracle Database 11g Release 2 (11.2.0.3) Other Changes in Oracle XML DB
• Oracle Database 11g Release 2 (11.2.0.2) New Features in Oracle XML DB
• Oracle Database 11g Release 2 (11.2.0.2) Deprecated Oracle XML DB Constructs
• Oracle Database 11g Release 2 (11.2.0.1) New Features in Oracle XML DB
• Oracle Database 11g Release 2 (11.2.0.1) Deprecated Oracle XML DB Constructs
• Oracle Database 11g Release 1 (11.1) New Features in Oracle XML DB

Part I Oracle XML DB Basics

1 Introduction to Oracle XML DB

• Overview of Oracle XML DB
• Oracle XML DB Architecture
  • APIs for XML
  • Catalog Views Related to XML
  • Overview of Oracle XML DB Repository
    • XML Services
    • Views RESOURCE_VIEW and PATH_VIEW
    • Oracle XML DB Repository Architecture
    • Files and Folders
    • Oracle XML DB Protocol Architecture
  • Programmatic Access to Oracle XML DB (Java, PL/SQL, and C)
• Oracle XML DB Features
  • XMLType Data Type
    • XMLType Tables and Columns Can Conform to an XML Schema
    • XMLType API
  • XML Schema Support
  • XMLType Storage Models
  • XML/SQL Duality
  • SQL/XML Standard Functions
  • Automatic Rewriting of XQuery and XPath Expressions
    • How XPath Expressions Are Evaluated by Oracle XML DB
    • Rewriting SQL Code That Contains XQuery and XPath Expressions
    • When Can XPath Rewrite Occur?
    • What is the XPath-Rewrite Process?
• Oracle XML DB Benefits
  • Unifying Data and Content
    • Exploiting Database Capabilities
    • Exploiting XML Capabilities
  • Efficient Storage and Retrieval of Complex XML Documents
  • Use XMLType Views If Your Data Is Not XML
  • Search XML Data using Oracle Text
  • Build Messaging Applications using Oracle Streams Advanced Queuing
• Standards Supported by Oracle XML DB
• Oracle XML DB Technical Support
• Oracle XML DB Examples Used in This Manual
• Further Oracle XML DB Case Studies and Demonstrations

2 Getting Started with Oracle XML DB

• Oracle XML DB Installation
• Oracle XML DB Use Cases
• Application Design Considerations for Oracle XML DB
  • Structure of Your Data
  • Oracle XML DB Repository Access
  • Application Language
  • Processing
  • Messaging
  • Storage
• Oracle XML DB Performance
  • XML Storage Requirements
  • XML Memory Management
    • Use of XOBs Reduces Memory Overhead for XML Schema-Based Documents
    • XOB Uses a Lazily-Loaded Virtual DOM
  • XML Parsing Optimizations
  • Node-Searching Optimizations
  • XML Schema Optimizations
  • Load Balancing Through Cached XML Schema
  • Reduced Bottlenecks From Code That Is Not Native
  • Reduced Java Type Conversion Bottlenecks

3 Using Oracle XML DB

• Storing XML Data as XMLType
  • What is XMLType?
  • Benefits of XMLType Data Type and API
• Creating XMLType Tables and Columns
• Partitioning or Constraining Binary XML Data using Virtual Columns
• Loading XML Content into Oracle XML DB
  • Loading XML Content using SQL or PL/SQL
  • Loading XML Content using Java
  • Loading XML Content using C
  • Loading Large XML Files that Contain Small XML Documents
  • Loading Large XML Files using SQL*Loader
  • Loading XML Documents into the Repository using DBMS_XDB
  • Loading Documents into the Repository using Protocols
• Character Sets of XML Documents
  • XML Encoding Declaration
  • Character-Set Determination When Loading XML Documents into the Database
  • Character-Set Determination When Retrieving XML Documents from the Database
• Overview of the W3C XML Schema Recommendation
  • XML Instance Documents
  • XML Schema for Schemas
  • Editing XML Schemas
  • XML Schema Features
    • Text Representation of the Purchase Order XML Schema
    • Graphical Representation of the Purchase-Order XML Schema
• Using XML Schema with Oracle XML DB
  • Why Use XML Schema with Oracle XML DB?
    • Validating Instance Documents with XML Schema
    • Constraining Instance Documents for Business Rules or Format Compliance
    • Defining How XMLType Contents Must be Stored in the Database
  • Structured Storage of XML Documents
  • Annotating an XML Schema to Control Naming, Mapping, and Storage
  • Controlling How Collections Are Stored for Object-Relational XMLType Storage
  • Declaring the Oracle XML DB Namespace
  • Registering an XML Schema with Oracle XML DB
    • SQL Types and Tables Created During XML Schema Registration
    • Working with Large XML Schemas
    • Working with Global Elements
  • Creating XML Schema-Based XMLType Columns and Tables
  • Default Tables
• Identifying XML Schema Instance Documents
  • Attributes noNamespaceSchemaLocation and schemaLocation
  • Dealing with Multiple Namespaces
• Enforcing XML Data Integrity using the Database
  • Comparing Partial to Full XML Schema Validation
    • Partial Validation
    • Full Validation
  • Enforcing Referential Integrity using SQL Constraints
• DML Operations on XML Content using Oracle XML DB
  • XPath and Oracle XML
• Querying XML Content Stored in Oracle XML DB
  • PurchaseOrder XML Document
  • Retrieving the Content of an XML Document using Pseudocolumn OBJECT_VALUE
  • Accessing Fragments or Nodes of an XML Document using XMLQUERY
  • Accessing Text Nodes and Attribute Values using XMLCAST and XMLQUERY
  • Searching an XML Document using XMLEXISTS, XMLCast, and XMLQuery
  • Performing SQL Operations on XMLType Fragments using XMLTABLE
• Accessing XML Data in Oracle XML DB using Relational Views
  • Breaking Up a Single Level of XML Data
  • Breaking Up Multiple Levels of XML Data
  • Querying XML Content As Relational Data
• Updating XML Content Stored in Oracle XML DB
  • Updating XML Schema-Based and Non-Schema-Based XML Documents
• Namespace Support in Oracle XML DB
• How Oracle XML DB Processes XMLType Methods and SQL Functions
• Generating XML Data from Relational Data
  • Generating XML Data from Relational Data using SQL/XML Functions
  • Generating XML Data from Relational Data using DBURITYPE
• XSL Transformation and Oracle XML DB
• Using Oracle XML DB Repository
  • Installing and Uninstalling Oracle XML DB Repository
  • Oracle XML DB Provides Name-Level Locking
  • Use Protocols or SQL to Access and Process Repository Content
  • Storing and Retrieving Database Content using Standard Protocols
  • Uploading Content to Oracle XML DB using FTP
  • Accessing Oracle XML DB Repository Programmatically
  • Accessing and Updating XML Content in the Repository
    • Accessing XML Documents using SQL
    • Repository Content is Exposed Through RESOURCE_VIEW and PATH_VIEW
    • Use EXISTS_PATH and UNDER_PATH for Path-Based Predicates in a WHERE Clause
    • You Can Also Store Non-XML Documents in the Repository
    • PL/SQL Packages to Create, Delete, Rename, Move,... Folders and Documents
  • Accessing the Content of Documents using SQL
  • Accessing the Content of XML Schema-Based Documents
    • Accessing Resource Content using Element XMLRef in Joins
  • Updating the Content of Documents Stored in the Repository
    • Updating Repository Content using Protocols
    • Updating Repository Content using SQL
    • Updating XML Schema-Based Documents in the Repository
  • Controlling Access to Repository Data
  • Oracle XML DB Transactional Semantics
  • Querying Metadata and the Folder Hierarchy
    • RESOURCE_VIEW and PATH_VIEW
    • Querying Resources in RESOURCE_VIEW and PATH_VIEW
  • Oracle XML DB Hierarchical Repository Index
  • How Documents are Stored in the Repository
• Viewing Relational Data as XML From a Browser
  • Accessing a Table or View from a Browser using DBUri SERVLET
• XSL Transformation using DBUri Servlet

Part II Storing and Retrieving XML Data in Oracle XML DB

4 XMLType Operations

• Selecting and Querying XML Data
  • Searching XML Documents using XPath Expressions
  • Querying XMLType Data using SQL/XML Functions XMLExists and XMLCast
    • XMLEXISTS SQL/XML Function
    • XMLCAST SQL/XML Function
  • Examples of Querying XML Data using SQL/XML Functions
• Updating XML Data
  • Updating an Entire XML Document
  • SQL Functions that Update XML Data
    • Inserting XML Elements using SQL Functions
  • UPDATEXML SQL Function
    • UPDATEXML and NULL Values
    • Updating the Same XML Node More Than Once
    • Preserving DOM Fidelity When using UPDATEXML
  • Optimization of Oracle SQL Functions that Modify XML Data
  • Creating XML Views using Oracle SQL Functions that Modify XML Data
  • INSERTCHILDXML SQL Function
  • INSERTCHILDXMLBEFORE SQL Function
  • INSERTCHILDXMLAFTER SQL Function
  • INSERTXMLBEFORE SQL Function
  • INSERTXMLAFTER SQL Function
  • APPENDCHILDXML SQL Function
  • DELETEXML SQL Function

5 Using XQuery with Oracle XML DB

• Overview of XQuery in Oracle XML DB
• Overview of the XQuery Language
  • Functional Language Based on Sequences
  • XQuery Expressions
  • FLWOR Expressions
• SQL/XML Functions XMLQUERY and XMLTABLE
  • XMLQUERY SQL/XML Function in Oracle XML DB
  • XMLTABLE SQL/XML Function in Oracle XML DB
• When To Use XQuery
• Predefined Namespaces and Prefixes
• URI Scheme oradb: Querying Table or View Data with XQuery
• Oracle XQuery Extension Functions
  • ora:contains XQuery Function
  • ora:matches XQuery Function
  • ora:replace XQuery Function
  • ora:sqrt XQuery Function
  • ora:tokenize XQuery Function
• Oracle XQuery Extension-Expression Pragmas
• XMLQUERY and XMLTABLE Examples
  • XQuery Is About Sequences
  • Querying XML Data in Oracle XML DB Repository using XQuery
  • Querying Table or View Data using XQuery
  • Using XQuery with XMLType Data
  • Using Namespaces with XQuery
• Performance Tuning for XQuery
  • Rule-Based and Cost-Based XQuery Optimization
  • XQuery Optimization over Relational Data
  • XQuery Optimization over XML Schema-Based XMLType Data
  • Diagnosing XQuery Optimization: XMLOptimizationCheck
  • Improving Performance for fn:doc and fn:collection on Repository Data
    • Using equals_path and under_path Instead of fn:doc and fn:collection
    • Using Oracle XQuery Pragma ora:defaultTable
• XQuery Static Type-Checking in Oracle XML DB
• SQL*Plus XQUERY Command
• Using XQuery with PL/SQL, JDBC, and ODP.NET
• Oracle XML DB Support for XQuery
  • Support for XQuery and SQL
    • Implementation Choices Specified in the XQuery Standard
    • XQuery Features Not Supported by Oracle XML DB
    • XQuery Optional Features
  • Support for XQuery Functions and Operators
    • XQuery Functions fn:doc, fn:collection, and fn:doc-available

6 Indexing XMLType Data

• Oracle XML DB Tasks Involving Indexes
• Overview of Indexing XMLType Data
  • XMLIndex Addresses the Fine-Grained Structure of XML Data
  • Oracle Text Indexes
  • Optimization Chooses the Right Indexes to Use
  • Deprecated Indexes for XML Data
    • Function-Based Indexes
    • CTXXPath Indexes
• Indexing XMLType Data Stored Object-Relationally
  • Indexing Non-Repeating text() Nodes or Attribute Values
  • Indexing Repeating (Collection) Elements
• XMLIndex
  • Advantages of XMLIndex
  • Structured and Unstructured XMLIndex Components
  • XMLIndex Structured Component
    • Ignore the Index Content Tables; They Are Transparent
    • Data Type Considerations for XMLIndex Structured Component
  • XMLIndex Unstructured Component
    • Ignore the Path Table – It Is Transparent
    • Column VALUE of an XMLIndex Path Table
    • Secondary Indexes on Column VALUE
    • XPath Expressions that Are Not Indexed by an XMLIndex Unstructured Component
  • Creating, Dropping, Altering, and Examining an XMLIndex Index
  • Using XMLIndex with an Unstructured Component
    • Creating Additional Secondary Indexes on an XMLIndex Path Table
  • Using XMLIndex with a Structured Component
  • How to Tell Whether XMLIndex is Used
  • Turning Off Use of XMLIndex
  • XMLIndex Path Subsetting: Specifying the Paths You Want to Index
    • Examples of XMLIndex Path Subsetting
    • XMLIndex Path-Subsetting Rules
  • Guidelines for Using XMLIndex with an Unstructured Component
  • Guidelines for Using XMLIndex with a Structured Component
  • XMLIndex Partitioning and Parallelism
  • Asynchronous (Deferred) Maintenance of XMLIndex Indexes
  • Collecting Statistics on XMLIndex Objects for the Cost-Based Optimizer
  • Data Dictionary Static Public Views Related to XMLIndex
  • PARAMETERS Clause for CREATE INDEX and ALTER INDEX
    • Using a Registered PARAMETERS Clause for XMLIndex
    • PARAMETERS Clause Syntax for CREATE INDEX and ALTER INDEX
    • Usage of XMLIndex_parameters_clause
    • Usage of XMLIndex_parameters
    • Usage of PATHS Clause
    • Usage of create_index_paths_clause and alter_index_paths_clause
    • Usage of pikey_clause, path_id_clause, and order_key_clause
    • Usage of value_clause
    • Usage of async_clause
    • Usage of groups_clause and alter_index_group_clause
    • Usage of XMLIndex_xmltable_clause
    • Usage of column_clause
• Oracle Text Indexes on XML Data
  • Creating and Using Oracle Text Indexes
  • Oracle Text Indexes Are Used Independently of Other Indexes

7 XML Schema Storage and Query: Basic

• Overview of XML Schema and Oracle XML DB
• Using Oracle XML DB with XML Schema
  • Why XML Schema?
  • DTD Support in Oracle XML DB
    • Inline DTD Definitions
    • External DTD Definitions
• Managing XML Schemas with DBMS_XMLSCHEMA
  • Registering an XML Schema with Oracle XML DB
  • Delete and Reload Documents Before Registering Their XML Schema
  • Storage and Access Infrastructure
  • Atomic Nature of XML Schema Registration
  • Managing and Storing XML Schemas
  • Debugging XML Schema Registration for XML Data Stored Object-Relationally
  • SQL Object Types Created During XML Schema Registration, for Structured Storage
  • Default Tables Created During XML Schema Registration
  • Generated Names are Case Sensitive
  • Database Objects That Depend on Registered XML Schemas
  • Listing All Registered XML Schemas
  • Deleting an XML Schema
    • DBMS_XMLSCHEMA.DELETESCHEMA Options
• XMLType Methods Related to XML Schema
• Local and Global XML Schemas
  • Local XML Schema
  • Global XML Schema
• DOM Fidelity
  • What is DOM Fidelity?
  • SYS_XDBPD$ and DOM Fidelity for Structured Storage
• XML Translations
  • Changing an XML Schema and XML Instance Documents for Translation
    • Indicating Translatable Elements in an XML Schema
    • Indicating Translation Language Attributes in an XML Instance Document
  • Making XML Documents Translatable
  • Operations on Translated Documents
• Creating XMLType Tables and Columns Based on XML Schemas
  • Specifying XMLType Storage Options for XML Schema-Based Data
    • Binary XML Storage of XML Schema-Based Data
    • Unstructured Storage of XML Schema-Based Data
    • Structured Storage of XML Schema-Based Data
  • Specifying Relational Constraints on XMLType Tables and Columns
• Oracle XML Schema Annotations
  • Common Uses of XML Schema Annotations
  • XML Schema Annotation Example
  • Available Oracle XML DB XML Schema Annotations
  • XML Schema Annotation Guidelines for Structured Storage
    • Avoid Creation of Unnecessary Tables for Unused Top-Level Elements
    • Provide Your Own Names for Default Tables
    • Turn Off DOM Fidelity If Not Needed
    • Use Unordered Collection Elements When Order Doesn't Matter
    • Annotate Time-Related Elements with a Timestamp Data Type
    • Add Table and Column Properties
    • Store Large Collections Out of Line
• Querying a Registered XML Schema to Obtain Annotations
• Mapping XML Schema Data Types to Oracle XML DB Storage
• Mapping XML Schema Data Types to SQL Data Types
  • Example of Mapping XML Schema Data Types to SQL
  • Mapping XML Schema Attribute Data Types to SQL
    • Overriding the SQLType Value in an XML Schema When Declaring Attributes
  • Mapping XML Schema Element Data Types to SQL
    • Overriding the SQLType Value in an XML Schema when Declaring Elements
  • Mapping simpleType to SQL
    • NCHAR, NVARCHAR, and NCLOB SQLType Values are Not Supported
    • simpleType: Mapping XML Strings to SQL VARCHAR2 Versus CLOB
    • Working with Time Zones
  • Mapping complexType to SQL
    • Specifying Attributes in a complexType XML Schema Declaration

8 XPath Rewrite for Structured Storage

• Overview of XPath Rewrite for Structured Storage
• Sample of XPath Expressions that Are Rewritten
• Analyzing and Optimizing XPath Queries using Execution Plans
  • Guideline: Look for underlying tables versus XML functions in execution plans
  • Guideline: Name the default tables, so you recognize them in execution plans
  • Guideline: Create an index on a column targeted by a predicate
  • Guideline: Create indexes on ordered collection tables
  • Guideline: Use XMLOptimizationCheck to determine why a query is not rewritten

9 XML Schema Storage and Query: Advanced

• Generating XML Schemas with DBMS_XMLSCHEMA.GENERATESCHEMA
• Adding Unique Constraints to the Parent Element of an Attribute
• Setting Annotation Attribute SQLInline to false for Out-Of-Line Storage
  • XPath Rewrite for Out-Of-Line Tables
• Storing Collections in Out-Of-Line Tables
• Partitioning XMLType Tables and Columns Stored Object-Relationally
  • Examples of Partitioning XMLType Data
  • Partition Maintenance
• Fully Qualified XML Schema URLs
• Mapping XML Fragments to Large Objects (LOBs)
• complexType Extensions and Restrictions in Oracle XML DB
  • complexType Declarations in XML Schema: Handling Inheritance
  • Mapping complexType: simpleContent to Object Types
  • Mapping complexType: any and anyAttribute
• XML Schema: Working with Circular and Cyclical Dependencies
  • For Circular XML Schema Dependencies Set Parameter GENTABLES to TRUE
  • complexType Declarations XML Schema: Handling Cycles
    • How a complexType Can Reference Itself
  • Cyclical References Among XML Schemas
• Support for Recursive Schemas
  • Sharing defaultTable Among Common Out-Of-Line Elements
  • Query Rewrite when DOCID is Present
  • Disabling DOCID Column Creation
• Loading and Retrieving Large Documents with Collections
  • Guidelines for Setting xdbcore Parameters

10 XML Schema Evolution

• Overview of XML Schema Evolution
• Using Copy-Based Schema Evolution
  • Scenario for Copy-Based Evolution
  • copyEvolve Parameters and Errors
  • Limitations of Procedure COPYEVOLVE
  • Guidelines for Using Procedure COPYEVOLVE
    • Top-Level Element Name Changes
    • User-Created Virtual Columns of Tables Other Than Default Tables
    • Ensure that the XML Schema and Dependents Are Not Used by Concurrent Sessions
    • Rollback When Procedure DBMS_XMLSCHEMA.COPYEVOLVE Raises an Error
    • Failed Rollback From Insufficient Privileges
    • Privileges Needed for XML Schema Evolution
  • Updating Existing XML Instance Documents using a Style Sheet
  • Examples of Using Procedure COPYEVOLVE
• Using In-Place XML Schema Evolution
  • Restrictions for In-Place XML Schema Evolution
    • Backward-Compatibility Restrictions
    • Other Restrictions on In-Place Evolution
  • Supported Operations for In-Place XML Schema Evolution
  • Guidelines for Using In-Place XML Schema Evolution
  • inPlaceEvolve Parameters
  • Creating the Document for the diffXML Parameter
    • diffXML Operations and Examples

11 Transforming and Validating XMLType Data

• Transforming XMLType Instances
  • SQL Function XMLTRANSFORM and XMLType Method TRANSFORM()
• XMLTRANSFORM and XMLType.transform(): Examples
• Validating XMLType Instances
• Validating XML Data Stored as XMLType: Examples

12 Full-Text Search Over XML Data

• Overview of Full-Text Search for XML
  • Comparison of Full-Text Search and Other Search Types
  • Searching XML Data
  • Searching Documents using Full-Text Search and XML Structure
• About the Full-Text Search Examples
  • Roles and Privileges
  • Schema and Data for Full-Text Search Examples
• Overview of CONTAINS and ora:contains
  • Overview of SQL Function CONTAINS
  • Overview of XPath Function ora:contains
  • Comparison of CONTAINS and ora:contains
• CONTAINS SQL Function
  • Full-Text Search using SQL Function CONTAINS
    • Full-Text Boolean Operators AND, OR, and NOT
    • Full-Text Stemming: $
    • Combining Boolean and Stemming Operators
  • SCORE SQL Function
  • Restricting the Scope of a CONTAINS Search
    • WITHIN Structure Operator
    • INPATH Structure Operator
    • HASPATH Structure Operator
  • Projecting the CONTAINS Result
  • Indexing with a CONTEXT Index
    • Introduction to CONTEXT Indexes
    • Effect of a CONTEXT Index on CONTAINS
    • CONTEXT Index Preferences
    • Introduction to Section Groups
• ora:contains XQuery Function
  • Full-Text Search using XQuery Function ora:contains
  • Restricting the Scope of an ora:contains Query
  • Projecting the ora:contains Result
  • Policies for ora:contains Queries
    • Introduction to Policies for ora:contains Queries
    • Effect of Policies on ora:contains
    • Policy Defaults
  • Performance of ora:contains
    • Use a Primary Filter in the Query
    • XPath Rewrite and CONTEXT Indexes
• Text Path BNF Specification
• Support for Full-Text XML Examples
  • Purchase-Order XML Document, po001.xml
  • CREATE TABLE Statements
  • Purchase-Order XML Schema for Full-Text Search Examples

Part III Using XMLType APIs

13 PL/SQL APIs for XMLType

• Overview of PL/SQL APIs for XMLType
  • API Features
    • Lazy Loading of XML Data (Lazy Manifestation)
    • XMLType Data Type Supports XML Schema
    • XMLType Supports Data in Different Character Sets
• PL/SQL DOM API for XMLType (DBMS_XMLDOM)
  • Overview of the W3C Document Object Model (DOM) Recommendation
    • Oracle XML Developer's Kit Extensions to the W3C DOM Standard
    • Supported W3C DOM Recommendations
    • Difference Between DOM and SAX
  • PL/SQL DOM API for XMLType (DBMS_XMLDOM): Features
    • XML Schema Support
    • Enhanced Performance
  • Designing End-to-End Applications using Oracle XML Developer's Kit and Oracle XML DB
  • Preparing XML Data to Use the PL/SQL DOM API for XMLType
  • Defining an XML Schema Mapping to SQL Object Types
    • DOM Fidelity for XML Schema Mapping
  • Wrapping Existing Data into XML with XMLType Views
  • DBMS_XMLDOM Methods Supported
  • PL/SQL DOM API for XMLType: Node Types
  • Working with XML Schema-Based Data
  • DOM NodeList and NamedNodeMap Objects
  • Using the PL/SQL DOM API for XMLType (DBMS_XMLDOM)
  • PL/SQL DOM API for XMLType – Examples
  • Large Node Handling using DBMS_XMLDOM
  • Get-Push Model
  • Get-Pull Model
  • Set-Pull Model
  • Set-Push Model
  • Determining Binary Stream or Character Stream
• PL/SQL Parser API for XMLType (DBMS_XMLPARSER)
  • Features of the PL/SQL Parser API for XMLType
  • Using the PL/SQL Parser API for XMLType (DBMS_XMLPARSER)
• PL/SQL XSLT Processor for XMLType (DBMS_XSLPROCESSOR)
  • Enabling Transformations and Conversions with XSLT
  • PL/SQL XSLT Processor for XMLType: Features
  • Using the PL/SQL XSLT Processor API for XMLType (DBMS_XSLPROCESSOR)
• PL/SQL Translation API for XMLType (DBMS_XMLTRANSLATIONS)
  • DBMS_XMLTRANSLATIONS Methods

14 PL/SQL Package DBMS_XMLSTORE

• Overview of PL/SQL Package DBMS_XMLSTORE
• Using Package DBMS_XMLSTORE
• Inserting with DBMS_XMLSTORE
• Updating with DBMS_XMLSTORE
• Deleting with DBMS_XMLSTORE

15 Java DOM API for XMLType

• Overview of Java DOM API for XMLType
• Java DOM API for XMLType
  • Accessing XMLType Data using JDBC
    • Using XMLType Data with JDBC
    • How Java Applications Use JDBC to Access XML Documents in Oracle XML DB
  • Manipulating XML Database Documents using JDBC
• Loading a Large XML Document into the Database using JDBC
• Java DOM API for XMLType Features
  • Creating XML Schema-Based Documents
    • JDBC or SQLJ
• Java DOM API for XMLType Classes
  • Java Methods That Are Deprecated or Not Supported
  • Using the Java DOM API for XMLType
• Handling Large Nodes using Java
  • Stream Extensions to Java DOM
    • Get-Pull Model
    • Get-Push Model
    • Set-Pull Model
    • Set-Push Model
• Using the Java DOM API and JDBC with Binary XML

16 Using the C API for XML

• Overview of the C API for XML (Oracle XDK and Oracle XML DB)
• Using OCI and the C API for XML with Oracle XML DB
  • Accessing XMLType Data Stored in the Database
  • Creating XMLType Instances on the Client
• XML Context Parameter for C DOM API Functions
  • OCIXmlDbInitXmlCtx() Syntax
  • OCIXmlDbFreeXmlCtx() Syntax
• Initializing and Terminating an XML Context
• Using the C API for XML with Binary XML
• Using the Oracle XML Developer's Kit Pull Parser with Oracle XML DB
• Common XMLType Operations in C

17 Using Oracle Data Provider for .NET with Oracle XML DB

• ODP.NET XML Support and Oracle XML DB
• ODP.NET Sample Code

Part IV Viewing Existing Data as XML

18 Generating XML Data from the Database

• Overview of Generating XML Data From Oracle Database
• Generating XML using SQL Functions
  • XMLELEMENT and XMLATTRIBUTES SQL/XML Functions
    • Escaping Characters in Generated XML Data
    • Formatting of XML Dates and Timestamps
    • XMLElement Examples
  • XMLFOREST SQL/XML Function
  • XMLCONCAT SQL/XML Function
  • XMLAGG SQL/XML Function
  • XMLPI SQL/XML Function
  • XMLCOMMENT SQL/XML Function
  • XMLSERIALIZE SQL/XML Function
  • XMLPARSE SQL/XML Function
  • XMLROOT Oracle SQL Function
  • XMLCOLATTVAL Oracle SQL Function
  • XMLCDATA Oracle SQL Function
• Generating XML using DBMS_XMLGEN
  • Using PL/SQL Package DBMS_XMLGEN
  • Functions and Procedures of Package DBMS_XMLGEN
  • DBMS_XMLGEN Examples
• SYS_XMLGEN Oracle SQL Function
  • Advantages of using Oracle SQL Function SYS_XMLGEN
  • Using XMLFormat Object Type
• SYS_XMLAGG Oracle SQL Function
• Guidelines for Generating XML with Oracle XML DB
  • Ordering Query Results Before Aggregating, using XMLAGG ORDER BY Clause
  • Returning a Rowset using XMLTABLE

19 XMLType Views

• What Are XMLType Views?
  • Creating XMLType Views: Syntax
• Creating Non-Schema-Based XMLType Views
  • Creating Non-Schema-Based XMLType Views using SQL/XML Publishing Functions
  • Creating Non-Schema-Based XMLType Views using Object Types and SYS_XMLGEN
• Creating XML Schema-Based XMLType Views
  • Creating XML Schema-Based XMLType Views using SQL/XML Publishing Functions
    • Using Namespaces with SQL/XML Publishing Functions
  • Creating XML Schema-Based XMLType Views using Object Types or Object Views
    • Creating XMLType Employee View, with Nested Department Information
    • Creating XMLType Department View, with Nested Employee Information
• Creating XMLType Views from XMLType Tables
• Referencing XMLType View Objects using SQL Function REF
• DML (Data Manipulation Language) on XMLType Views

20 Accessing Data Through URIs

• Overview of Oracle XML DB URL Features
• URIs and URLs
• URIType and its Subtypes
  • DBUris and XDBUris – What For?
  • URIType Methods
    • HTTPURIType PL/SQL Method GETCONTENTTYPE()
    • DBURIType PL/SQL Method GETCONTENTTYPE()
    • DBURIType PL/SQL Method GETCLOB()
    • DBURIType PL/SQL Method GETBLOB()
• Accessing Data using URIType Instances
• XDBUris: Pointers to Repository Resources
  • XDBUri URI Syntax
  • XDBUri Examples
• DBUris: Pointers to Database Data
  • Viewing the Database as XML Data
  • DBUri URI Syntax
  • DBUris are Scoped to a Database and Session
  • DBUri Examples
    • Targeting a Table
    • Targeting a Row in a Table
    • Targeting a Column
    • Retrieving the Text Value of a Column
    • Targeting a Collection
• Creating New Subtypes of URIType using Package URIFACTORY
  • Registering New URIType Subtypes with Package URIFACTORY
• SYS_DBURIGEN SQL Function
  • Rules for Passing Columns or Object Attributes to SYS_DBURIGEN
  • SYS_DBURIGEN SQL Function: Examples
    • Returning Partial Results
    • RETURNING URLs to Inserted Objects
• DBUriServlet
  • Overriding the MIME Type using a URL
  • Customizing DBUriServlet
  • DBUriServlet Security
  • Configuring Package URIFACTORY to Handle DBUris

Part V Oracle XML DB Repository

21 Accessing Oracle XML DB Repository Data

• Overview of Oracle XML DB Repository
  • Two Ways to Access Oracle XML DB Repository Resources
• Repository Terminology and Supplied Resources
  • Repository Terminology
  • Supplied Files and Folders
• Oracle XML DB Repository Resources
  • Where Is Repository Data Stored?
    • Names of Generated Tables
    • Defining Structured Storage for Resources
    • Oracle ASM Virtual Folder
  • Path-Name Resolution
  • Link Types
    • Repository and Document Links
    • Hard Links and Weak Links
    • Creating a Weak Link with No Knowledge of Folder Hierarchy
    • Restricting Multiple Hard Links
• Navigational or Path Access to Repository Resources
  • Accessing Oracle XML DB Resources using Internet Protocols
    • Where You Can Use Oracle XML DB Protocol Access
    • Using Protocol Access
    • Retrieving Oracle XML DB Resources
    • Storing Oracle XML DB Resources
    • Using Internet Protocols and XMLType: XMLType Direct Stream Write
  • Accessing Oracle ASM Files using Protocols and Resource APIs – For DBAs
• Query-Based Access to Repository Resources
• Servlet Access to Repository Resources
• Operations on Repository Resources

22 Configuring Oracle XML DB Repository

• Resource Configuration Files Configure a Resource
• Configuring a Resource
• Common Configuration Parameters
  • Configuration Element ResConfig
  • Configuration Element defaultChildConfig
  • Configuration Element applicationData

23 Using XLink and XInclude with Oracle XML DB

• Overview of XLink and XInclude
• XLink and XInclude Link Types
  • XLink and XInclude Links Model Document Relationships
  • XLink and XInclude Link Types
• XInclude: Compound Documents
• Using XLink with Oracle XML DB
• Using XInclude with Oracle XML DB
  • Expanding Compound-Document Inclusions
  • Validating Compound Documents
  • Updating Compound Documents
  • Versioning, Locking, and Controlling Access to Compound Documents
• Examining XLink and XInclude Links using DOCUMENT_LINKS View
  • Querying DOCUMENT_LINKS for XLink Information
  • Querying DOCUMENT_LINKS for XInclude Information
• Configuring Resources for XLink and XInclude
  • Configuring Treatment of Unresolved Links: UnresolvedLink Attribute
  • Configuring the Document Links to Create: LinkType Element
  • Configuring the Path Format for Retrieval: PathFormat Element
  • Configuring Conflict-Resolution for XInclude: ConflictRule Element
  • Configuring Decomposition of Documents using XInclude: SectionConfig Element
  • XLink and XInclude Configuration Examples
• Managing XLink and XInclude Links using DBMS_XDB.processLinks

24 Managing Resource Versions

• Overview of Oracle XML DB Versioning
• Versioning and Resource IDs
• Versioning and ACLs
• Resource Versioning Examples

25 Accessing the Repository using RESOURCE_VIEW and PATH_VIEW

• Overview of Oracle XML DB RESOURCE_VIEW and PATH_VIEW
  • RESOURCE_VIEW Definition and Structure
  • PATH_VIEW Definition and Structure
  • Understanding the Difference Between RESOURCE_VIEW and PATH_VIEW
  • Operations You Can Perform using UNDER_PATH and EQUALS_PATH
• RESOURCE_VIEW and PATH_VIEW SQL Functions
  • UNDER_PATH SQL Function
  • EQUALS_PATH SQL Function
  • PATH SQL Function
  • DEPTH SQL Function
• Using RESOURCE_VIEW and PATH_VIEW SQL Functions
  • Accessing Repository Data Paths, Resources and Links: Examples
  • Deleting Repository Resources: Examples
    • Deleting Nonempty Folder Resources
  • Updating Repository Resources: Examples
• Working with Multiple Oracle XML DB Resources
• Performance Tuning of Oracle XML DB Repository Operations
• Searching for Resources using Oracle Text

26 Accessing the Repository using PL/SQL

• Overview of PL/SQL Package DBMS_XDB
• DBMS_XDB: Resource Management
• DBMS_XDB: ACL-Based Security Management
• DBMS_XDB: Configuration Management

27 Repository Access Control

• Access Control Concepts
  • Principal: A User or Role
    • Database Roles Map Database Privileges to Users
    • Principal DAV::owner
  • Privilege: A Permission
  • Access Control Entry (ACE)
  • Access Control List (ACL)
• Database Privileges for Repository Operations
• Privileges
  • Atomic Privileges
  • Aggregate Privileges
• ACLs and ACEs
  • System ACLs
  • ACL and ACE Evaluation
  • ACL Validation
  • ACL Inheritance
  • Complementing the Principals in an ACE: Element invert
  • ACE Validity Time Period
• Working with Access Control Lists (ACLs)
  • Creating an ACL using DBMS_XDB.CREATERESOURCE
  • Retrieving an ACL Document, Given its Repository Path
  • Setting the ACL of a Resource
  • Deleting an ACL
  • Updating an ACL
  • Retrieving the ACL Document that Protects a Given Resource
  • Retrieving Privileges Granted to the Current User for a Particular Resource
  • Checking Whether the Current User Has Privileges on a Resource
  • Checking Whether a User Has Privileges using the ACL and Resource Owner
  • Retrieving the Path of the ACL that Protects a Given Resource
  • Retrieving the Paths of All Resources Protected by a Given ACL
• ACL Caching
• Repository Resources and Database Table Security
  • Optimization: Do not enforce acl-based security if you do not need it
• Integrating Oracle XML DB with LDAP

28 Accessing the Repository using Protocols

• Overview of Oracle XML DB Protocol Server
  • Session Pooling
• Oracle XML DB Protocol Server Configuration Management
  • Configuring Protocol Server Parameters
  • Configuring Secure HTTP (HTTPS)
    • Enable the HTTP Listener to Use SSL
    • Enable TCPS Dispatcher
  • Interaction with Oracle XML DB File-System Resources
  • Protocol Server Handles XML Schema-Based or Non-Schema-Based XML Documents
  • Event-Based Logging
• Using FTP and Oracle XML DB Protocol Server
  • Oracle XML DB Protocol Server: FTP Features
    • FTP Features That Are Not Supported
    • Supported FTP Client Methods
    • FTP Quote Methods
    • Using FTP with Oracle ASM Files
    • Using FTP on the Standard Port Instead of the Oracle XML DB Default Port
    • Using IPv6 IP Addresses with FTP
    • FTP Server Session Management
    • Handling Error 421. Modifying the Default Timeout Value of an FTP Session
    • FTP Client Failure in Passive Mode
• Using HTTP(S) and Oracle XML DB Protocol Server
  • Oracle XML DB Protocol Server: HTTP(S) Features
    • HTTP(S) Features That Are Not Supported
    • Supported HTTP(S) Client Methods
    • Using HTTP(S) on a Standard Port Instead of an Oracle XML DB Default Port
    • Using IPv6 IP Addresses with HTTP(S)
    • HTTPS: Support for Secure HTTP
    • Controlling URL Expiration Time
    • Anonymous Access to Oracle XML DB Repository using HTTP
    • Using Java Servlets with HTTP(S)
    • Embedded PL/SQL Gateway
    • Sending Multibyte Data From a Client
    • Characters That Are Not ASCII in URLs
    • Controlling Character Sets for HTTP(S)
• Using WebDAV and Oracle XML DB
  • Oracle XML DB WebDAV Features
    • WebDAV Features That Are Not Supported
    • Supported WebDAV Client Methods
  • Using WebDAV with Microsoft Windows XP SP2
  • Creating a WebFolder in Microsoft Windows using Oracle XML DB and WebDAV

29 User-Defined Repository Metadata

• Overview of Metadata and XML
  • Kinds of Metadata – Uses of the Term
  • User-Defined Resource Metadata
  • Scenario: Metadata for a Photo Collection
• XML Schemas to Define Resource Metadata
• Adding, Updating, and Deleting Resource Metadata
  • Adding Metadata using APPENDRESOURCEMETADATA
  • Deleting Metadata using DELETERESOURCEMETADATA
  • Adding Metadata using SQL DML
  • Adding Metadata using WebDAV PROPPATCH
• Querying XML Schema-Based Resource Metadata
• XML Image Metadata from Binary Image Metadata
• Adding Non-Schema-Based Resource Metadata
• PL/SQL Procedures Affecting Resource Metadata

30 Oracle XML DB Repository Events

• Overview of Repository Events
  • Repository Events: Use Cases
  • Repository Events and Database Triggers
  • Repository Event Listeners and Event Handlers
  • Repository Event Configuration
• Possible Repository Events
• Repository Operations and Events
• Repository Event Handler Considerations
• Configuring Repository Events
  • Configuration Element event-listeners
  • Configuration Element listener
  • Repository Events Configuration Examples

31 Using Oracle XML DB Content Connector

• Overview of JCR and Oracle XML DB Content Connector
  • About the Content Repository API for Java (JCR)
  • About Oracle XML DB Content Connector
• How Oracle XML DB Repository Is Exposed in JCR
  • Example of How Files and Folders are Exposed in JCR
  • Oracle Extensions to JCR Node Types
  • Binary and XML Content
  • System-Defined Metadata
  • User-Defined Metadata
  • Hard Links and Weak Links
• How to Use Oracle XML DB Content Connector
  • Setting CLASSPATH
  • Obtaining the JCR Repository Object
  • Sample Code to Upload File
  • Additional Code Samples
  • Logging API for Oracle XML DB Content Connector
  • Supported JCR Compliance Levels
  • Oracle XML DB Content Connector Restrictions
    • Default Workspace Name
    • Operations Restricted to Specific Node Types
    • Determining the State of Files or Folders
    • Interaction Between Binary and XML Content
    • Order in Which Changes Are Saved
    • Undefined Properties
    • Node Type nt:base Is Abstract
    • Node jcr:content Is Created Automatically
    • Saving Normalizes Node jcr:xmltext
    • Node Type mix:referenceable
    • Full-Text Indexing
• Using XML Schemas with JCR
  • Why Register XML Schemas for Use with JCR?
  • How to Register an XML Schema with JCR
  • How JCR Node Types are Generated from XML Schemas
    • Built-In Simple Types
    • XML Schema-Defined Simple Types
    • Complex Types
    • Global Element Declarations

32 Writing Oracle XML DB Applications in Java

• Overview of Oracle XML DB Java Applications
  • Which Oracle XML DB APIs Are Available Inside and Outside the Database?
• Design Guidelines: Java Inside or Outside the Database?
  • HTTP(S): Accessing Java Servlets or Directly Accessing XMLType Resources
  • Accessing Many XMLType Object Elements: Use JDBC XMLType Support
  • Use the Servlets to Manipulate and Write Out Data Quickly as XML
• Writing Oracle XML DB HTTP Servlets in Java
• Configuring Oracle XML DB Servlets
• HTTP Request Processing for Oracle XML DB Servlets
• Session Pool and Oracle XML DB Servlets
• Native XML Stream Support
• Oracle XML DB Servlet APIs
• Oracle XML DB Servlet Example

33 Using Native Oracle XML DB Web Services

• Overview of Native Oracle XML DB Web Services
• Configuring and Enabling Web Services for Oracle XML DB
  • Configuring Web Services for Oracle XML DB
  • Enabling Web Services for Specific Users
• Querying Oracle XML DB using a Web Service
• Accessing PL/SQL Stored Procedures using a Web Service
  • Example of Using a PL/SQL Function with a Web Service

Part VI Oracle Tools that Support Oracle XML DB

34 Administering Oracle XML DB

• Installing Oracle XML DB
  • Installing Oracle XML DB with Database Configuration Assistant
    • Dynamic Protocol Registration of FTP and HTTP(S) Services with Local Listener
  • Installing Oracle XML DB Manually without DBCA
    • Post-Installation
• Upgrading an Existing Oracle XML DB Installation
  • Validation of ACL Documents and Configuration File
• Administering Oracle XML DB using Oracle Enterprise Manager
• Configuring Oracle XML DB using xdbconfig.xml
  • Oracle XML DB Configuration File, xdbconfig.xml
    • <xdbconfig> (Top-Level Element)
    • <sysconfig> (Child of <xdbconfig>)
    • <userconfig> (Child of <xdbconfig>)
    • <protocolconfig> (Child of <sysconfig>)
    • <httpconfig> (Child of <protocolconfig>)
    • <servlet> (Descendant of <httpconfig>)
    • Oracle XML DB Configuration File Example
    • Oracle XML DB Configuration API
    • Configuring Default Namespace to Schema Location Mappings
    • Configuring XML File Extensions
• Package DBMS_XDB_ADMIN

35 Loading XML Data using SQL*Loader

• Overview of Loading XMLType Data Into Oracle Database
• Loading XMLType Data using SQL*Loader
  • Loading XMLType Data in LOBs using SQL*Loader
    • Loading LOB Data in Predetermined Size Fields
    • Loading LOB Data in Delimited Fields
    • Loading XML Columns Containing LOB Data from LOBFILEs
    • Specifying LOBFILEs
  • Loading XMLType Data Directly from a Control File using SQL*Loader
• Loading Large XML Documents into Oracle Database

36 Exporting and Importing XMLType Tables

• Overview of Oracle Data Pump
• EXPORT/IMPORT Support in Oracle XML DB
• Exporting XML Schema-Based XMLType Tables
• Exporting Hierarchy-Enabled (Repository) Tables
• Exporting and Importing Transportable Tablespaces
• Repository Resources and Foldering Support
  • Full Database Export
  • Exporting and Importing with Different Character Sets
• Export/Import Syntax and Examples
  • Performing a Table-Mode Export /Import
  • Performing a Schema-Mode Export/Import

37 Exchanging XML Data using Oracle Streams AQ

• How Do AQ and XML Complement Each Other?
  • AQ and XML Message Payloads
  • Advantages of Using AQ
• Oracle Streams and AQ
  • Streams Message Queuing
• XMLType Attributes in Object Types
• Internet Data Access Presentation (iDAP)
• iDAP Architecture
  • XMLType Queue Payloads
• Guidelines for Using XML and Oracle Streams Advanced Queuing
  • Storing Oracle Streams AQ XML Messages with Many PDFs as One Record?
  • Adding New Recipients After Messages Are Enqueued
  • Enqueuing and Dequeuing XML Messages?
  • Parsing Messages with XML Content from Oracle Streams AQ Queues
  • Preventing the Listener from Stopping Until the XML Document Is Processed
  • Using HTTPS with AQ
  • Storing XML in Oracle Streams AQ Message Payloads
  • Comparing iDAP and SOAP

Part VII Appendixes

A Oracle-Supplied XML Schemas and Examples

• XDBResource.xsd: XML Schema for Oracle XML DB Resources
  • XDBResource.xsd
• XDBResConfig.xsd: XML Schema for Resource Configuration
  • XDBResConfig.xsd
• acl.xsd: XML Schema for ACLs
  • acl.xsd
• xdbconfig.xsd: XML Schema for Configuring Oracle XML DB
  • xdbconfig.xsd
• xdiff.xsd: XML Schema for Comparing Schemas for In-Place Evolution
  • xdiff.xsd
• Purchase-Order XML Schemas
• XSL Style Sheet Example, PurchaseOrder.xsl
• Loading XML Data using C (OCI)
• Initializing and Terminating an XML Context (OCI)

B Oracle XML DB Restrictions

Index