Migrating data from MariaDB to Oracle

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

MariaDB vs. Oracle:

  • MariaDB is a powerful open-source relational database management system (RDBMS) that originated as a fork of MySQL. It was developed by the original creators of MySQL in response to concerns over its acquisition by Oracle Corporation. MariaDB retains compatibility with MySQL while offering additional features, improved performance, and enhanced security. It is widely used in various applications ranging from small-scale web databases to large-scale enterprise systems, thanks to its flexibility, scalability, and active community support.
  • Oracle is a leading multinational computer technology corporation specializing in database management systems. Renowned for its robust and scalable database solutions, Oracle offers a comprehensive suite of products encompassing database technologies, cloud applications, and enterprise software. With a global presence and a reputation for innovation, Oracle serves diverse industries including finance, healthcare, retail, and manufacturing, empowering organizations to manage, secure, and analyze their data efficiently to drive business success.

Prerequisite:

  • Software Required:

    64-bit Windows application for ESF Database Migration Toolkit 12.2.08 (2025-07-11).
    (md5: e93a0ef57622bfd8ee77d6aa6e38c13b)
    32-bit Windows application for ESF Database Migration Toolkit 12.2.08 (2025-07-11).
    (md5: bd34cb7f73c88c6d0c7a44069ad756d6)
  • System Supported:

    • Windows 7 or higher.
    • MariaDB 5.1 or higher.
    • Oracle 11g or higher.

Step by Step Wizard:

  1. Configure MariaDB Data Source

    • In the "Choose a Data Source" dialog:
      • Select "MariaDB"
    • Enter server details:
      • Server name: localhost (default)
      • Port: 3306 (default)
    • Provide authentication:
      • Username: root (default)
      • Associated password
    • Database selection:
      • Click the Refresh button to load available databases
      • Select target database from the list
    MariaDB connection dialog showing server configuration, authentication fields, and refresh button
    Fig. 1: MariaDB data source configuration
  2. Configure Oracle Destination

    • 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
    "Choose a Destination" dialog showing Oracle configuration with server details, logon methods, and schema options
    Fig. 2: Oracle destination configuration
  3. In "Select Source Table(s) & View(s)" Dialog

    • Select migration objects: Choose tables or views to include in the migration.
      Select Tables & Views
      Fig. 3: Select tables and views
    • Modify table structure: Click the ellipsis (...) button to access table options and schema adjustments.
      Transform
      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
  4. Execution Dialog

    • Start migration: Click "Submit" to initiate automated data transfer from MariaDB to Oracle.
      Execute
      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)
  5. 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.

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Related Links:

1. Oracle to MariaDB Migration
1. MariaDB to DB2 Migration
2. MariaDB to MS Access Migration
3. MariaDB to MS Excel Migration
4. MariaDB to MySQL Migration
5. MariaDB to PostgreSQL Migration
6. MariaDB to SQL Azure Migration
7. MariaDB to SQL Server Migration
 
1. DB2 to Oracle Migration
2. FireBird to Oracle Migration
3. Foxpro to Oracle Migration
4. Informix to Oracle Migration
5. InterSystems Cache to Oracle Migration
6. MS Access to Oracle Migration
7. MS Excel to Oracle Migration
8. MySQL to Oracle Migration
9. PostgreSQL to Oracle Migration
10. SQL Azure to Oracle Migration
11. SQL Server to Oracle Migration
12. SQLite to Oracle Migration