TMF Introduction (G06.24+)

Compaq Computer Corporation—522414-001
i
HP NonStop Transaction
Management Facility (TMF)
Introduction
Index Examples Figures Tables
What’s New in This Manual vii
Manual Information vii
New and Changed Information vii
About This Manual ix
Who Should Read This Manual? ix
How This Manual is Organized x
TMF Documentation x
Other Documentation xi
Your Comments Invited xii
Notation Conventions xii
1. TMF Overview
What Characterizes the TMF Environment? 1-3
Distributed Data 1-3
Database Distribution 1-3
Database Consistency 1-5
Transaction Concurrency 1-6
What Does TMF Do? 1-8
Transaction Protection
1-8
Database Recovery
1-10
Why Use TMF? 1-14
Point-of-Sale Application Scenario 1-14
Financial Application Scenario 1-14
Insurance Application Scenario 1-15
Travel Agency Application Scenario 1-15
Manufacturing Application Scenario 1-15