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The XA specification for Distributed Transaction Processing (Doc ID 180207.1)

Last updated on NOVEMBER 07, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.2.0.3 [Release 9.2 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


Purpose

The purpose of this document is to discuss the XA specification for Distributed Transaction Processing
and explain how this leads to the generation of a standard xa.h file.

Scope

This document is intended for general use.  It should be read by anyone wanting to understand more about the XA specification.

Details

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In this Document
Purpose
Scope
Details
 Introduction
 Definitions
 Transaction
 Distributed Transaction Processing
 Application Program
 Resource Manager
 Global Transactions
 Transaction Branches
 Transaction Manager
 Thread of Control
 Tightly and Loosely Coupled Threads
 Transaction Control and Recovery
 Rolling Back the Global Transaction
 XA Interface
 Opening and Closing Resource Managers
 Association of Threads with Transaction Branches
 Start
 Join
 Resume
 End
 Suspend
 Rollback-only
 Transaction branch states
 Transaction Context
 Registration of Resource Managers
 Dynamic Registration
 Branch Completion
 Synchronous, Non-blocking and Asynchronous Modes
 Failure Recovery
 XA.H
 Naming Conventions
 1. Transaction Identification
 2. Resource Manager Switch
 3. Flag Definitions
 4. Return Codes

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