Migrating data from PostgreSQL to MariaDB

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

PostgreSQL vs. MariaDB:

  • 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.
  • 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.

Prerequisite:

  • Software Required:

    64-bit Windows application for ESF Database Migration Toolkit 12.2.07 (2025-07-01).
    (md5: 0750355677f7108916a6c1f2bc0d4d87)
    32-bit Windows application for ESF Database Migration Toolkit 12.2.07 (2025-07-01).
    (md5: a9ba6351d787ff958b4ff2d9ca888576)
  • System Supported:

    • Windows 7 or higher.
    • PostgreSQL 7.x or higher.
    • MariaDB 5.1 or higher.

Step by Step Wizard:

  1. Configure PostgreSQL Data Source

    • In the "Choose a Data Source" dialog:
      • Select "PostgreSQL"
    • Enter server connection details:
      • Server name: localhost (default)
      • Port: 5432 (default)
    • Provide authentication credentials:
      • Username: postgres (default)
      • Associated password
    • Database selection:
      • Click the Refresh Database button
      • Select target database from available options
    • Schema selection:
      • Click the Refresh Schema button
      • Choose desired schema (public schema is default)
    PostgreSQL connection dialog showing server configuration, authentication fields, and refresh controls
    Fig. 1: PostgreSQL data source configuration
  2. Configure MariaDB Destination

    • In the "Choose a Destination" dialog:
      • Select "MariaDB"
    • Enter connection details:
      • Server name: localhost (default)
      • Port: 3306 (default)
      • Username
      • Password
    • Optional settings:
    • Database configuration:
      • Click the Refresh button to list available databases
      • Select existing database OR enter new database name
      • Note: Non-existent databases will be automatically created during migration
    "Choose a Destination" dialog showing MariaDB configuration with server settings, storage engine, and database options
    Fig. 2: MariaDB 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 PostgreSQL to MariaDB.
      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. MariaDB to PostgreSQL Migration
1. PostgreSQL to DB2 Migration
2. PostgreSQL to MS Access Migration
3. PostgreSQL to MS Excel Migration
4. PostgreSQL to MySQL Migration
5. PostgreSQL to Oracle Migration
6. PostgreSQL to SQL Azure Migration
7. PostgreSQL to SQL Server Migration
 
1. DB2 to MariaDB Migration
2. FireBird to MariaDB Migration
3. Foxpro to MariaDB Migration
4. Informix to MariaDB Migration
5. InterSystems Cache to MariaDB Migration
6. MS Access to MariaDB Migration
7. MS Excel to MariaDB Migration
8. MySQL to MariaDB Migration
9. Oracle to MariaDB Migration
10. SQL Azure to MariaDB Migration
11. SQL Server to MariaDB Migration
12. SQLite to MariaDB Migration