Preface
Data Replication Overview
- Product Overview
- Data Replication Usage Scenarios
- Data Replication Sources and Targets
- Data Replication Components
- Data Replication Deployment Topologies
- Data Replication Apply Modes
Installing Data Replication
- Installation Overview
- System Requirements
- Installing Data Replication
- Installing the Java Runtime Environment
- JDBC Drivers
- Defining the DBSYNC_HOME Environment Variable
- Adding DBSYNC_HOME Libraries to the Library Path Environment Variable on Linux and UNIX
- Verifying the Environment Variables on Linux and UNIX
- Setting Limits for System Resources on Linux and UNIX
- Entering the License Key
Preparing Source and Target Systems
- Source and Target Preparation and Replication Considerations
- ODBC Drivers
  - Supported ODBC Drivers
  - Configuring the DataDirect ODBC Drivers and Driver Manager
- Preparing Source Systems
- Preparing Target Systems
- Replication Configuration Considerations for Sources
- Replication Configuration Considerations for Targets
Replication Basic Concepts
- Understanding Replication Basics
- Strategies for Running Replications
- Replication Configurations
- Database Character Set Conversion
- Replication of Database-Generated Values
- Database Logging Requirements for Source Tables
- Replicating Tables without a Primary Key Definition
- Datatype Conversion Rules
- Tcl and SQL Scripting for Advanced InitialSync and Applier Processing of Data
- DBSYNC_SYNC_LSN Table
InitialSync Processing
- Target Materialization with InitialSync
- Source Connectivity for Data Unload Operations
- Target Connectivity for Data Load Operations
- Sync SCN Value
- InitialSync Handling of Target Table Constraints
- Considerations for Running InitialSync
Extractor and Applier Processing
- Start SCN Value for the Extractor Task
- Extractor Processing of Redo Logs from Oracle RAC Sources
  - The Order of Writing Extracted Records to the Intermediate Files
  - Configuring Archived Log Switches
- Applier Processing of Intermediate Files
- Applier Handling of the Sync SCN Value
- Applier Processing of Updates in Merge Apply Mode
- Commit Processing and Target Constraints with Applier Multi-Threaded Processing
- Applier Processing of Updates for Duplicate Records
- Conflict Resolution for Replicated Data
- Post-Apply Processing
  - AFTER_APPLY XML Data Structure
  - Data Visibility Across Multiple Applier Threads
DDL Replication
- DDL Replication Overview
- Considerations for DDL Replication
- Replication Considerations for CREATE TABLE and ADD COLUMN Operations
  - Logging Supplemental Information for Source Tables Created with Replicated DDL
- Replication of TRUNCATE TABLE Operations
- Order in Which Data Replication Applies DDL Operations
- Examples of DDL Replication
- Supported DDL Operations for Sources
- Supported DDL Operations for Targets
Recovery and Checkpoint Processing
- Stages of Recovery Processing
- Checkpoint Processing
- Recovery Tables
- Guidelines for Resuming Applier Processing After a Failure
Configuring the Server Manager
- Server Manager Main Server and Subservers
- Installing the Server Manager as a Service on Windows
- Starting the Server Manager as a Service or Daemon
- Manually Starting the Server Manager
- Stopping a Server Manager Service or Daemon
- Uninstalling the Server Manager Service on Windows
- Defining the Main Server and Its Subservers
- Editing the Main Server or a Subserver
- Editing Microsoft SQL Server Instance Settings
- Editing Properties for the Main Server or a Subserver
- Viewing Information About the Server Manager System
- Configuring the Server Manager for HTTPS Communication
- Configuring the Server Manager Main Server to Run with NAT
- Creating and Managing User Accounts
- Associating a Subserver with Another Main Server
- Deleting Subservers
Creating Replication Configurations in the Data Replication Console
- Data Replication Console Interface
- Starting the Informatica Data Replication Console
- Task Flow: Creating a Replication Configuration
- Defining the Source Database
  - Configuring a Connection to an Oracle ASM Instance
  - Connecting to Oracle RAC Sources
    - Connecting to an Oracle RAC by Using Custom Connection Strings
    - Connecting to an Oracle RAC by Using a Virtual IP Address
- Defining the Target Database
- Generating Target Tables and Audit Log Tables
- Handling Source Tables with Long Table or Column Names in Merge Apply or Audit Apply Mode
  - Strategies for Handling Long Table Names
    - Editing the Audit Log Table Suffix
    - Manually Editing Target Table Names in an SQL Script for Merge Apply
  - Strategies for Handling Long Column Names
- Mapping Source and Target Tables
- Defining Source Table Indexes
- Customizing Apply Settings for Target Tables
- Configuring Conflict Resolution
  - Example of Configuring a MAXIMUM Resolution Strategy for Update Conflicts
  - Example of Configuring Custom Conflict Resolution
- Configuring the Start Points for Extractor and Applier Tasks
- Customizing Column Mappings
  - Filtering Column Data
- Enabling Replication of DDL Changes
- Adding Tcl and SQL Expressions
- Specifying the Database Logs from Which to Extract Data
- Configuring Runtime Settings
- Configuring Message Logging
- Saving Replication Configurations to the Main Server Manager
Managing Replication Configurations
- Configuration Management Tasks
- Opening a Replication Configuration in the Data Replication Console
- Switching to Read or Edit Mode for a Replication Configuration
- Editing a Replication Configuration
- Updating Connection Information for a Replication Configuration
- Clearing User Replication Settings
- Cleaning Replication-Related Information
- Deploying Replication Configurations
- Importing a Configuration File
- Exporting a Configuration File
- Replication Configuration Revisions
  - Viewing Earlier Revisions of a Replication Configuration
- Generating a Reverse-Replication Configuration
- Managing Database Supplemental Logging
Running Data Replications
- Methods of Running Replications
- Conflicting Replication Tasks
- Running Replication Executables Manually from the Data Replication Console
- Scheduling Replication Tasks
Configuring Selected Replication Types
- Overview of Selected Replication Types
- Configuring Continuous Replication
- Configuring Data Replication from One Source to Multiple Targets
- Loopback Avoidance for Replicated Data
- Configuring Bidirectional Replication
- Configuring Cascade Replication
Monitoring Data Replication
- Types of Monitoring Information
- Replication Statistics
- Intermediate Files
- Task Execution Logs
- Server Manager Logs
  - Viewing Server Manager Logs
- User Notifications
- Skipped Transaction Records
- Managing Open Transactions
Maintaining the Replication Environment
- Manually Changing the Source Table Structure After Running Data Replication
- Adding Table Mappings Manually After Running Data Replication
- Viewing a List of Processed Database Logs
- Resuming Replication After Upgrading a DB2 for Linux, UNIX, and Windows Source Database
Troubleshooting
Data Replication Files and Subdirectories
- Data Replication Script Files
- Executables Called from the Data Replication Console or Scripts
- Other Key Files
- Subdirectories
Data Replication Runtime Parameters
InitialSync, Extractor, and Applier Command Line Parameters
Server Manager Command Line Parameters
Updating Configurations in the Replication Configuration CLI
- Replication Configuration CLI Overview
- Updating Source and Target Metadata for a Replication Configuration in the CLI
  - Updating Source and Target Metadata for a Configuration in Interactive Mode
  - Updating Source and Target Metadata for a Configuration in Non-interactive Mode
- Replication Configuration CLI Commands
DDL Statements for Manually Creating Recovery Tables
Sample Scripts for Enabling or Disabling SQL Server Change Data Capture
- Microsoft SQL Server Enterprise Edition
Glossary
- Applier
- apply cycle
- Audit Apply
- audit log table
- bidirectional replication
- calculated columns
- cascade replication
- change data capture
- checkpoint processing
- Command Line Interface
- configuration file
- continuous replication
- data files
- data warehouse appliance
- Edit mode
- Extractor
- Flat File target
- global transaction
- heterogeneous replication
- Informatica Data Replication Console
- initial materialization
- InitialSync
- intermediate files
- loopback avoidance
- Merge Apply
- primary target
- Read mode
- recovery table
- Replication Configuration Command Line Interface
- replication configuration file
- replication statistics
- replication tasks
- routing
- secondary target
- Send File task
- Server Manager
- Server Manager Command Line Interface
- Server Manager Main server
- Server Manager subserver
- SQL Apply
- SQL Script Engine
- staging table
- Start SCN
- subtask threads
- supplemental logging
- Sync SCN
- Tcl expression
- Tcl Script Engine
- transaction files
- transactional replication
- virtual column
- virtual index

User Guide

9.6.3 HotFix 1
- 9.7.0 HotFix 1
- 9.6.3

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System Requirements

Verify that the system where you plan to install Data Replication meets the product operating system and hardware requirements.

Tip: For the most current information, see the Data Replication Product Availability Matrix on the Informatica My Support Portal at http://mysupport.informatica.com.

Installing Data Replication

AIX System Requirements

HP-UX System Requirements

Linux System Requirements

Solaris System Requirements

Windows System Requirements

Source Database Versions

Target Database Versions

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Table of Contents

User Guide

User Guide

System Requirements

System Requirements