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English
  • Data Replication 9.7.0 HotFix 2
  • 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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Supported DDL Operations for Netezza Targets

Supported DDL Operations for Netezza Targets

The Applier task can apply the following DDL operations to Netezza targets:
  • ALTER TABLE
    table_name
     ADD
    column_name
    datatype
     [NULL|NOT NULL]
  • ALTER TABLE
    table_name
     ADD CONSTRAINT
    constraint_name
     UNIQUE (
    column_name
    )
  • ALTER TABLE
    table_name
     DROP COLUMN
    column_name
     CASCADE
  • ALTER TABLE
    table_name
     DROP CONSTRAINT
    constraint_name
     CASCADE
  • ALTER TABLE
    table_name
     MODIFY COLUMN
    column_name
    datatype
  • CREATE TABLE
    table_name
     (
    column_name
    datatype
     [NULL|NOT NULL] [PRIMARY KEY (
    column_name
    )]) DISTRIBUTE ON {(
    column_name
    )|RANDOM}
  • DROP TABLE
    table_name
  • Data Replication does not support replication of DDL operations for source tables and columns that have lowercase names. The Applier ends abnormally when replicating subsequent DML changes to the corresponding tables and columns on a Netezza target.
  • Data Replication does not replicate indexes that were created on a source database to Netezza targets. Netezza does not use indexes.
  • Data Replication does not replicate ALTER COLUMN operations that add NULL and NOT NULL constraints for a source column to Netezza targets. Netezza does not support DDL operations of this type.
  • Data Replication does not replicate ALTER COLUMN operations that modify a column datatype to Netezza targets. Netezza does not support DDL operations of this type.
  • Data Replication does not replicate ALTER COLUMN operations that modify the length of columns that have a datatype other than CHAR, NCHAR, NVARCHAR, and VARCHAR to Netezza targets. Netezza does not support DDL operations of this type.
  • Data Replication does not replicate ADD COLUMN operations that add a column that has a NOT NULL constraint but no default value from Oracle sources to Netezza targets. Netezza does not support this type of DDL operations.
  • Data Replication replicates TRUNCATE TABLE operations from sources to Netezza targets as DELETE FROM operations.
  • To replicate CREATE TABLE operation to Netezza targets, Data Replication creates a table on the target and distributes data on the columns that are mapped to the primary key columns on the source. If the source table does not have a primary key definition, Data Replication uses the DISTRIBUTE ON RANDOM clause.
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