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English
  • Data Replication 9.7.0 HotFix 1
  • All Products

Table of Contents

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  1. Preface
  2. Data Replication Overview
  3. Understanding Data Replication
  4. Sources - Preparation and Replication Considerations
  5. Targets - Preparation and Replication Considerations
  6. Starting the Server Manager
  7. Getting Started with the Data Replication Console
  8. Defining and Managing Server Manager Main Servers and Subservers
  9. Creating and Managing User Accounts
  10. Creating and Managing Connections
  11. Creating Replication Configurations
  12. Materializing Targets with InitialSync
  13. Scheduling and Running Replication Tasks
  14. Implementing Advanced Replication Topologies
  15. Monitoring Data Replication
  16. Managing Replication Configurations
  17. Handling Replication Environment Changes and Failures
  18. Troubleshooting
  19. Data Replication Files and Subdirectories
  20. Data Replication Runtime Parameters
  21. Command Line Parameters for Data Replication Components
  22. Updating Configurations in the Replication Configuration CLI
  23. DDL Statements for Manually Creating Recovery Tables
  24. Sample Scripts for Enabling or Disabling SQL Server Change Data Capture
  25. Glossary

User Guide

User Guide

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Mapping Source and Target Tables Based on Exact Name Matching

Mapping Source and Target Tables Based on Exact Name Matching

You can map source and target tables based on exact table name matching.
For the Merge Apply and SQL Apply modes, this method maps the source tables to target tables that have identical names. For the Audit Apply mode, this method maps the source tables to the audit log tables that have matching table names followed by the audit log table suffix.
You can map all of the source tables for which target tables with the same names exist, or use the Shift or Ctrl keys to select a subset of source tables to map to target tables with the same names.
  1. Click the
    Map Tables
     tab.
  2. In the
    Source Schema
     list, select a source schema.
    For Microsoft SQL Server targets, this list displays SQL Server databases, which are similar to schemas of other source types.
    A list of source tables that use the specified schema appears in the left list box. To filter the list, enter the first few letters of a table name in the
    Filter
     field. For case-sensitive filtering, enclose the filter value in double quotation marks.
  3. Select the target schema in one of the following ways:
    • In the
      Target Schema
       list, select the target schema.
      For Microsoft SQL Server targets, this list displays SQL Server databases.
    • Click
      Match Schema
       to use the source schema for the target.
    A list of target tables that use the schema appears in the right list box. To filter the list, enter the first few letters of a table name in the
    Filter
     field. For case-sensitive filtering, enclose the filter value in double quotation marks.
    For
    Apache Kafka,
    Cloudera,
    Flat File
    , or Hortonworks
     targets, you do not need to perform this step. The Data Replication Console automatically displays the source schema in the
    Target Schema
     field and lists the source table names on the target side.
    At any time, you can click
    Refresh
     to refresh the schemas for the source and target databases. If you cancel the refresh operation while it is in progress, Data Replication marks the configuration as not valid. Also, you cannot save the configuration unless you click
    Refresh
     again and do not cancel the refresh operation.
  4. To map all source tables for which target tables with the same names exist, perform the following steps:
    1. Click
      Map All
      .
    2. In the
      Map All
       dialog box, select one of the following apply modes to use for the table mappings:
      • SQL Apply
      • Audit Apply
      • Merge Apply
      If you select
      Audit Apply
      , the Data Replication Console looks for audit log tables that have matching table names followed by the suffix that is specified on the
      Runtime settings
       tab >
      Calculated Columns
       view. The default suffix is _LOG.
      To exit the
      Map All
       dialog box without mapping the tables, click
      Cancel
      .
    3. Click
      Map
      .
      To clear all mappings, click
      Unmap All
      .
  5. To map a subset of the source tables to target tables with the same names, use the Shift or Ctrl key to select the source tables and click
    Match Table
    . Then click the
    SQL Apply
    ,
    Audit Apply
    , or
    Merge Apply
     button.
  6. Repeat steps 1 through 5 for each pair of source and target schema for which you want to define table mappings based on exact name matching.
From the
Map Tables
 tab, you can also enable the replication of Create Table and Drop Table DDL operations at the schema level, customize the types of DDL and DML changes to apply by target table, configure start points for the Extractor and Applier tasks, add Tcl and SQL expressions, and configure conflict resolution.
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