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Data Access Techniques

Table of Contents

Using Transaction Objects
About Transaction objects
Working with Transaction objects
Using Transaction objects to call stored procedures
Supported DBMS features when calling stored procedures
Using MobiLink Synchronization
About MobiLink synchronization
How the synchronization works
Working with PowerBuilder synchronization objects
Preparing consolidated databases
Creating remote databases
Synchronization techniques
Using PowerBuilder XML Services
About XML and PowerBuilder
About PBDOM
PBDOM object hierarchy
PBDOM node objects
Adding pbdom.pbx to your application
Using PBDOM
Handling PBDOM exceptions
XML namespaces
Manipulating Graphs
Using graphs
Populating a graph with data
Modifying graph properties
Accessing data properties
Using point and click
Implementing Rich Text
Using rich text in an application
Using a RichText DataWindow object
Using a RichTextEdit control
Rich text and the end user
Piping Data Between Data Sources
About data pipelines
Building the objects you need
Performing some initial housekeeping
Starting the pipeline
Handling row errors
Performing some final housekeeping
Using RESTFul Web Services with JSON
Supported JSON formats
Importing JSON data
Compressing and extracting data
Supporting OAuth 2.0 Authorization Server
OAuth Grant Types

This part presents a collection of techniques you can use to implement data access features in the applications you develop with PowerBuilder. It includes using Transaction objects, XML processing, graphs, rich text, and piping of data between data sources. The use of DataWindow objects and DataStores for data access is described in DataWindow Programmers Guide.

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