Introduction

The Database Server

Installing and Configuring the Database Server

Configuration Parameters

Client/Server Communications

Initializing the Database Server

Security

Disk, Memory, and Process Management

Virtual Processors and Threads

Managing Virtual Processors

Shared Memory

Managing Shared Memory

Data Storage

Managing Disk Space

Logging and Log Administration

Logging

Managing the Database-Logging Mode

Logical Log

Managing Logical-Log Files

Physical Logging, Checkpoints, and Fast Recovery

Managing the Physical Log

Fault Tolerance

Mirroring

Using Mirroring

High-Availability Data Replication (Enterprise/Workgroup Editions)

Using High-Availability Data Replication (Enterprise/Workgroup Editions)

Consistency Checking

Distributed Data

Multiphase Commit Protocols

In This Chapter

Transaction Managers

Two-Phase Commit Protocol

Independent Actions

Two-Phase Commit Protocol Errors

Two-Phase Commit and Logical-Log Records

Configuration Parameters Used in Two-Phase Commits

Heterogeneous Commit Protocol

Gateways That Can Participate in a Heterogeneous Commit Transaction

Enabling and Disabling of Heterogeneous Commit

How Heterogeneous Commit Works

Implications of a Failed Heterogeneous Commit

Recovering Manually from Failed Two-Phase Commit

Appendixes

Appendix. Accessibility

Notices

Index