Migrate Your IBM DB2 Data to Oracle – Effortlessly!

By Martin Williams | Published: April 26, 2026 | Updated: May 20, 2026

This clear guide demonstrates how to transfer your data from IBM DB2 to Oracle efficiently using ESF Database Migration Toolkit.

Execute a step-by-step, reliable migration process.
Simplify complex data transfers with an intuitive tool.
Save significant time and effort with automation.
Modernize your data infrastructure with ease.

Prerequisite:

Software Required:
ESF Database Migration Toolkit »
System Supported:
- Windows 7 or higher.
- IBM DB2 9.x or higher.
- Oracle 11g or higher.

Step by Step Wizard:

Connect to IBM DB2

Fig. 1: IBM DB2 data source configuration
- In the "Choose a Data Source" dialog:
  - Select "IBM DB2"
- Specify server connection details:
  - Server name: localhost (default)
  - Port: 50000 (default)
- Enter authentication credentials:
  - Username: db2admin (default)
  - Password
- In the Database combobox:
  - Enter the source DB2 database name
- Schema selection procedure:
  1. Click Refresh Schema to load available schemas
  2. Select desired schema from the list
Configure Oracle Destination

Fig. 2: Oracle destination configuration
- In the "Choose a Destination" dialog:
  - Select "Oracle"
- Enter server details:
  - Server name: localhost (default)
  - Port: 1521 (default)
- Provide authentication credentials:
  - Username: SYSTEM (default)
  - Password
- Select logon method:
  - SID
  - Service_Name
  - TNS
- Configure database connection:
  - For SID/Service_Name: Enter value in Database field
  - For TNS: Leave Database field blank
- Schema configuration:
  - Enter schema name (default: same as username)
  - Click the Refresh button to view available schemas
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

Fig. 5: Execute migration
- Start migration: Click "Submit" to initiate automated data transfer from IBM DB2 to Oracle.
- 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)
Migration Completed

Congratulations! Your data migration from IBM DB2 to Oracle has finished successfully. This 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.