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A unified distributed database ready for your transactional, analytical, and AI workloads.

DEPLOY YOUR WAY

OceanBase Cloud

The best way to deploy and scale OceanBase

OceanBase Enterprise

Run and manage OceanBase on your infra

TRY OPEN SOURCE

OceanBase Community Edition

The free, open-source distributed database

OceanBase seekdb

Open source AI native search database

Customer Stories

Real-world success stories from enterprises across diverse industries.

View All
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Mission-Critical Transactions

Global & Multicloud Application

Elastic Scaling for Peak Traffic

Real-time Analytics

Active Geo-redundancy

Database Consolidation

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OceanBase Migration Assessment

V4.2.3Enterprise Edition

  • Product Introduction
    • Overview
    • Application scenarios
    • System architecture
    • Product form
  • Install OMA
  • Compatibility assessment
    • Overview
    • Assess the compatibility with objects
    • Assess the compatibility with SQL statements
    • Assess the compatibility with business code
    • Export SQL statements from an OceanBase database
    • Database assessment
      • Overview
      • Assess an Oracle database
      • Assess a MySQL database
      • Assess a TiDB database
      • Assess a PostgreSQL database
      • Assess a DB2 LUW database
  • Performance assessment
    • Standalone edition
      • Overview
      • Assess the performance differences between an Oracle database and an OceanBase database
      • Assess the performance differences between a MySQL database and an OceanBase database
      • Assess the performance differences between different versions of OceanBase Database

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Overview Application scenarios System architecture Product form Install OMA Overview Assess the compatibility with objects Assess the compatibility with SQL statements Assess the compatibility with business code Export SQL statements from an OceanBase database Overview Assess an Oracle database Assess a MySQL database Assess a TiDB database Assess a PostgreSQL database Assess a DB2 LUW database Overview Assess the performance differences between an Oracle database and an OceanBase database Assess the performance differences between a MySQL database and an OceanBase database Assess the performance differences between different versions of OceanBase Database
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  3. V4.2.3
iconOceanBase Migration Assessment
V 4.2.3Enterprise Edition
Enterprise Edition
  • V 4.4.2
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Overview

Last Updated:2026-04-14 07:41:18  Updated
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What is on this page
Background information
Supported types and versions of databases
Source databases
Target databases

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OceanBase Migration Assessment (OMA) provides accurate compatibility assessment for data migration. This topic describes the types and versions of databases that support compatibility assessment.

Background information

OMA assesses the compatibility of converting database objects of Oracle Database, MySQL, PostgreSQL, TiDB, DB2 LUW, RDS for MySQL, PolarDB for MySQL, PolarDB for Oracle, DRDS, SQL Server, openGauss, and OceanBase Database instances (both MySQL and Oracle tenants) to database objects of OceanBase Database, and provides profile analysis and automatic conversion solutions.

Supported types and versions of databases

Source databases

Database type Database version
RDS for MySQL All versions
DRDS All versions
TDSQL for MySQL All versions
MariaDB All versions
MySQL 5.6, 5.7, and V8.0
TiDB 3.0, 4.0, and 5.0
Oracle Database 11g, 12c, 18c, and 19c

Notice

OMA replays the workload capture replay (WCR) files of only Oracle Database 11g, 12c, 18c, and 19c.

PostgreSQL 9, 10, 11, 12, 13, and 14
openGauss All versions
DB2 LUW 10.1.0, 10.5.0, 11.1, and 11.5
SQL Server All versions
PolarDB for MySQL All versions
PolarDB for Oracle All versions
MySQL tenant of OceanBase Database V2.2.0, V3.2.2, V3.2.3, V3.2.4, V4.0.0, and V4.1.0
Oracle tenant of OceanBase Database V2.2.5, V2.2.7, V3.1.2, V3.2.2, V3.2.3, V3.2.4, V4.0.0, and V4.1.0

Target databases

Database type Database version
MySQL tenant of OceanBase Database V2.2.0, V3.2.2, V3.2.3, V3.2.4, V4.0.0, V4.1.0, V4.2.0, and V4.2.1
Oracle tenant of OceanBase Database V2.2.5, V2.2.7, V3.1.2, V3.2.2, V3.2.3, V3.2.4, V4.0.0, V4.1.0, V4.2.0, and V4.2.1

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Assess the compatibility with objects
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What is on this page
Background information
Supported types and versions of databases
Source databases
Target databases