Migrating data from IBM DB2 to PostgreSQL

This guide will show you how to easily migrate data from IBM DB2 to PostgreSQL through a few simple steps with ESF Database Migration Toolkit, simplifying the complex migration processes and saving you valuable time.

IBM DB2 vs. PostgreSQL:

  • IBM DB2 is a high-performance relational database management system (RDBMS) developed by IBM, designed to handle large volumes of data and support complex transactions. It offers robust features for data management, security, and scalability, making it suitable for enterprises of all sizes. DB2 is known for its efficiency in processing SQL queries, its advanced analytics capabilities, and its integration with various platforms, including cloud environments. It supports a range of operating systems such as Windows, UNIX, and Linux, and provides tools for database automation, optimization, and administration.
  • 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:

    64-bit Windows application for ESF Database Migration Toolkit 12.1.14 (2024-12-06).
    (md5: 6034483ab4c1f63f5bd02ee0b5d3ec7f)
    32-bit Windows application for ESF Database Migration Toolkit 12.1.14 (2024-12-06).
    (md5: 3f335114cbd867e6ebf4004e41909e8f)
  • System Supported:

    • Windows 7 or higher.
    • IBM DB2 9.x or higher.
    • PostgreSQL 7.x or higher.

Step by Step Wizard:

  • In "Choose a Data Source" dialog, choose "IBM DB2";

    • Enter the server name (default: localhost) and port (default: 50000).
    • Enter the username (default is "db2admin") and its associated password.
    • From the "Database" combobox, enter the source IBM DB2 database name.
    • Choose an existing DB2 schema name by refreshing the list of all available schemas.
      DB2
  • In "Choose a Destination" dialog, choose "PostgreSQL";

    • Input the server name (default: localhost) and port (default: 5432).
    • Input the username (default is "postgres") and its password.
    • Select the target database character set (default is "UTF8"), it's important if the data contains non-ASCII characters e.g. German, French, Japanese.
    • Select an existing database or input a new database name (click the 'Refresh' button to list all databases). If the target database does not exist, this tool will automatically create it during the migration process.
    • Input/select the target PostgreSQL schema name (default is "public"), or press "Refresh Schema" button to list all schemas.
      PostgreSQL
  • In "Select source Tables(s) & View(s)" dialog;

    • Select the tables or views you want to migrate.
      Select Tables&Views
    • You can access the table options or adjust the table structure by clicking the "..." button.
      Transform
    • In the "Field Mapping" option, you can customize the destination table's fields, such as field name, data type, default value, comment, and more. You also have the option to choose the data transfer method, including Overwrite Table, Empty Data, Append Data, or Skip Table, or even filter the data before transferring it.
  • In "Execution" Dialog;

    • You can start the migration process by clicking "Submit". The toolkit will efficiently and seamlessly migrate your data from IBM DB2 to PostgreSQL without the need for manual intervention.
      Execute
    • To keep track of the migration process, you can access the full migration log by clicking "Browse Log". This will provide you with a comprehensive view of the entire migration, including any potential issues and their resolutions.
    • To save time in the future, you can save the migration settings as a job file by clicking "Save as job". This allows you to quickly reload the migration job at a later time or run the migration job using the command-prompt by typing "dmtc.exe --help". The command-prompt provides you with a full list of parameters to customize the migration process to your specific needs.
  • Finished!

    Upon completion, the toolkit will generate a comprehensive migration report, providing you with all the information you need to verify the accuracy and completeness of the migration process. So, you can sit back and relax while the program carries out the task efficiently. Should you have any inquiries or recommendations, don't hesitate to reach out to us. We're always happy to help.

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Related Links:

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2. DB2 to MS Excel Migration
3. DB2 to MariaDB Migration
4. DB2 to MySQL Migration
5. DB2 to Oracle Migration
6. DB2 to SQL Azure Migration
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