PostgreSQL to Oracle Converter | Migrate & Sync Data Easily

Fast, secure, and easy-to-use tool for all your Postgres to Oracle data transfer needs

Withdata DBCopier is the leading PostgreSQL to Oracle converter that simplifies all your Postgres to Oracle data transfer needs—from single table copies to bulk migrations, query result transfers, and real-time sync. Designed for Windows, Linux, and macOS, it runs in both intuitive GUI mode (point-and-click) and CLI mode (for automation/scheduled tasks), delivering blazing-fast performance (millions of rows in minutes) with 100% local processing for uncompromised data security.

No complex coding or database expertise required—complete your PostgreSQL to Oracle data transfer in just a few steps, with full support for table mapping, data type auto-conversion, and index creation for Oracle.


Key PostgreSQL to Oracle Features

🚀 All-In-One Data Transfer Capabilities

Single Table Copy

Direct transfer of single table data with field mapping, date format configuration, and data preview.

Batch Table Copy

Bulk transfer multiple Postgres tables to corresponding Oracle tables with Replace/Append/Upsert/Struct Only options.

Merge Multiple Tables

Combine data from multiple structurally similar PostgreSQL tables into a single Oracle table with custom field mapping.

Query Result Transfer

Transfer filtered/aggregated data from Postgres SQL queries directly to an Oracle table with preview.

Full Database Migration

Complete migration including Oracle table creation, data copy, and index creation from PostgreSQL.

Real-Time Data Sync

Two-way sync with Replace (full sync) or Upsert (incremental sync) to keep Oracle data aligned with Postgres.

💻 Cross-Platform & Dual Modes

  • GUI Mode: Step-by-step wizard, point-and-click operation, real-time data preview, and intuitive field mapping.
  • CLI Mode: Run conversions via command line on Windows, Linux, and macOS for DevOps workflows.
  • Full OS Support: Native compatibility with Windows, Linux, and macOS—no emulators needed.

⚡ Blazing Fast & 100% Secure

  • Ultra-Fast Performance: Convert millions of PostgreSQL rows to Oracle in under a minute.
  • Local Processing: All data transfer happens on your local machine—no data leaves your server.
  • Error Logging & Preview: Preview records before conversion and generate detailed log files.

🤖 Schedule & Automate

  • Save conversion sessions for repeat use
  • Create .bat (Windows) or .sh (Linux/macOS) scripts
  • Schedule automated tasks with Windows Scheduled Tasks or Crontab
  • Automate sync, batch copy, and migration tasks

Step-by-Step PostgreSQL to Oracle Workflows

Every Postgres to Oracle operation follows a simple 4-step wizard (GUI mode)—no technical skills required:

Core Step Foundation (All Operations)

  1. Connect to Databases: Log in to your source PostgreSQL database (SSH support) 📷, and target Oracle database (OCI or TCP/IP connect) 📷.
  2. Select Operation Type: Choose from "Convert From Table" for single table copy, "Convert From Query" for query transfer, "Convert All Tables" for merge tables, and "Convert All Tables" for batch copy, migrate, or sync. 📷
  3. Configure & Preview: Map source/target fields, set date formats, choose import types, and preview data.
  4. Run Conversion: Start the transfer—track progress in real-time, view logs, and save the session.

Quick Workflow for Popular Use Cases

Merge Multiple Postgres Tables to 1 Oracle Table

  1. Select Convert Similar Tables in the task dialog.
  2. Pick all structurally similar PostgreSQL source tables. 📷
  3. Map source columns to the single Oracle target table and configure settings. 📷
  4. Preview 📷 and run the merge—combine all data in seconds. 📷

Sync PostgreSQL to Oracle

  1. Select Wizard – Import All Tables and choose Postgres tables to sync.
  2. Set Import Type to Replace 📷 for full sync or Upsert 📷 for incremental sync.
  3. Map Postgres tables to Oracle tables and verify field alignment. 📷
  4. Run the sync—keep Oracle data up-to-date automatically. 📷

Copy Postgres Query Results to Oracle

  1. Select Convert From Query and enter your PostgreSQL SQL query.
  2. Preview query results (up to 20 rows) to validate filtered data. 📷
  3. Map query columns to the target Oracle table and configure settings. 📷
  4. Transfer the query results directly to Oracle—no intermediate files needed. 📷

Why Choose Withdata DBCopier for PostgreSQL to Oracle?

  • No Coding Required: Intuitive GUI wizard—no SQL scripting or database admin expertise.
  • Full Customization: Field mapping, date format configuration, NULL handling, and import type selection.
  • Index Creation: Automatically create Oracle indexes during full PostgreSQL migration.
  • Session Saving: Save all conversion settings for repeat use—avoid reconfiguring from scratch.
  • 24/7 Reliability: Stable performance for large datasets and long-running sync tasks.
  • Cross-Platform CLI: Automate on any OS with command line support for DevOps pipelines.
  • 100% Local: Zero cloud dependency—your data stays on your infrastructure.

Frequently Asked Questions (FAQs)

How long does it take to convert PostgreSQL to Oracle?
DBCopier is optimized for speed—it converts millions of PostgreSQL rows to Oracle in under a minute. Small to medium datasets transfer in mere seconds.
Is it safe to transfer PostgreSQL data to Oracle with DBCopier?
Absolutely. All data conversion and transfer happens locally on your machine—no data is sent to external servers or the cloud. Your data is 100% secure.
Does DBCopier support Linux and macOS for PostgreSQL to Oracle?
Yes. DBCopier has native versions for Windows, Linux, and macOS—no third-party tools or emulators required. CLI mode is fully supported on all three OSes.
Can I batch convert multiple PostgreSQL tables to Oracle at once?
Yes. The Convert All Tables feature lets you bulk transfer multiple Postgres tables to Oracle in a single operation—with support for bulk field mapping and import type configuration.
Can I automate PostgreSQL to Oracle sync tasks?
Yes. Save your sync session, create a .bat/.sh script, and schedule the task with Windows Scheduled Tasks (Windows) or Crontab (Linux/macOS) for fully automated real-time sync.
Does DBCopier create Oracle tables during migration?
Yes. The Migrate PostgreSQL to Oracle feature automatically creates Oracle tables with auto data type mapping from Postgres, and also generates Oracle indexes for optimal performance.

Get Started with PostgreSQL to Oracle Conversion Today

Withdata DBCopier makes PostgreSQL to Oracle transfer, migration, and sync easy, fast, and secure—for both casual users and enterprise DevOps teams.

Download Withdata DBCopier

Start your first PostgreSQL to Oracle conversion in 2 minutes.