Migrating data from Infomix to PostgreSQL

This guide walks you through migrating data from Infomix to PostgreSQL in a few simple steps using ESF Database Migration Toolkit. Simplify complex migration tasks and save valuable time with our streamlined approach.

Infomix vs. PostgreSQL:

Informix is a relational database management system (RDBMS) developed by IBM. Known for its high performance, scalability, and efficient handling of complex data, Informix is used in a variety of applications ranging from online transaction processing (OLTP) to data warehousing. It features a robust architecture that supports high availability and extensive data replication capabilities, making it a preferred choice for enterprises requiring reliable and fast database solutions.
PostgreSQL is a powerful, open-source relational database management system known for its reliability, robust feature set, and extensibility. It offers support for a wide range of data types, indexing techniques, and advanced features such as full-text search, JSON support, and geospatial data processing. With a strong emphasis on standards compliance and ACID compliance, PostgreSQL is widely used across various industries for handling complex data management tasks, from small-scale projects to large-scale enterprise applications. Its active community, frequent updates, and ecosystem of extensions contribute to its popularity and ongoing development.

Prerequisite:

Software Required:

DMToolkit_x64.zip (63.6 MiB)	64-bit Windows application for ESF Database Migration Toolkit 12.2.08 (2025-07-11). (md5: e93a0ef57622bfd8ee77d6aa6e38c13b)
DMToolkit_win32.zip (58.8 MiB)	32-bit Windows application for ESF Database Migration Toolkit 12.2.08 (2025-07-11). (md5: bd34cb7f73c88c6d0c7a44069ad756d6)

System Supported:
- Windows 7 or higher.
- Infomix IDS 11 or higher.
- PostgreSQL 7.x or higher.

Step by Step Wizard:

Configure Informix Data Source
- In the "Choose a Data Source" dialog:
  - Select "Informix"
- Enter server details:
  - In the Server field: Informix instance and server names
  - In the Port field: Service port (default: 9088)
- Provide authentication:
  - Username: informix (default)
  - Associated password
- Database selection:
  - Click the Refresh button to load available databases
  - Select target database from the list
Fig. 1: Informix data source configuration
Configure PostgreSQL Destination
- In the "Choose a Destination" dialog:
  - Select "PostgreSQL"
- Enter server connection details:
  - Server name: localhost (default)
  - Port: 5432 (default)
- Provide authentication credentials:
  - Username: postgres (default)
  - Associated password
- Configure character encoding:
  - Select database character set (default: UTF8)
  - Required for non-ASCII characters (e.g., German, French, Japanese)
- Database selection/creation:
  - Select existing database or enter new database name
  - Click the Refresh button to list available databases
  - New databases are automatically created during migration
- Schema configuration:
  - Enter or select target schema name (default: public)
  - Click the Refresh Schema button to list available schemas
Fig. 2: PostgreSQL destination configuration
In "Select Source Table(s) & View(s)" Dialog
- Select migration objects: Choose tables or views to include in the migration.
  
  Fig. 3: Select tables and views
- Modify table structure: Click the ellipsis (...) button to access table options and schema adjustments.
  
  Fig. 4: Do transform
- Configure field mapping: In the Field Mapping options:
  - Customize destination fields (name, data type, default value, comments)
  - Select data transfer method:
    - Overwrite Table (replace existing data)
    - Empty Data (truncate before insert)
    - Append Data (add to existing data)
    - Skip Table (exclude from transfer)
  - Apply data filters before transfer
Execution Dialog
- Start migration: Click "Submit" to initiate automated data transfer from Infomix to PostgreSQL.
  
  Fig. 5: Execute migration
- Monitor progress: Click "Browse Log" for real-time migration tracking, including issue resolution details.
- Save configuration: Click "Save as job" to store settings for:
  - Quick reloads of migration jobs
  - Command-line execution (use: dmtc.exe --help for parameter options)
Finished!

After migration completes, the toolkit generates a comprehensive report for verifying migration accuracy. You can monitor progress as the automated process runs efficiently. For any questions or feedback, contact us – our team is ready to assist.