Migration from Oracle Rdb Made Simple
Discover supported alternatives and let us guide you through a smooth, stress-free transition
Migration Destinations
Where Should You Migrate?
Compare platforms and choose the best destination for your data and operations.
Which products in the Oracle Rdb family do you have?
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Oracle CODASYL DBMS
There are no directly comparable database products that can be used to replace Oracle CODASYL DBMS for OpenVMS, however the TranSSend solution provided by Software Concepts International can be used to replicate data from Oracle CODASYL DBMS into various modern relational database targets, providing DBMS users with a potential migration path.
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Oracle Rdb
Please see the table below for possible alternative database solutions. You may also wish to complete the Oracle Rdb Migration Assessment, which will allow our team to help you evaluate your migration options and recommend the most suitable path forward.
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Oracle CDD (Common Data Dictionary)
VMS Software has developed an alternative data dictionary solution that provides a high degree of compatibility with Oracle CDD and can be used as a near-drop-in replacement for most use-cases.
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Oracle Trace
Oracle Trace is an event-driven data collection product for OpenVMS that collects performance and resource utilization data for Oracle Rdb and applications instrumented with the Oracle Trace API. Please contact your VSI Account Manager to arrange a call with our team to discuss the options that are available and identify the most appropriate replacement solution for your particular use-
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Oracle SQL/Services
Oracle SQL/Services provides an API and middleware that enables client applications on various remote systems to access Oracle Rdb databases running on OpenVMS servers. Equivalent solutions are provided by other modern database systems, such as those listed in the table below.
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OCI Services for Oracle Rdb
The OCI Services software component enables Oracle Call Interface (OCI) applications to access data in Oracle Rdb databases. There is no equivalent OCI interface for non-Oracle databases, however comparable integration solutions are available, some of which are considered in this whitepaper.
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JDBC and ODBC drivers for Oracle Rdb
Equivalent JDBC and ODBC drivers are readily available for the alternative database solutions listed in the table below.
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Oracle Rdb Extension for SQL Developer
The Oracle Rdb Extension for SQL Developer enables users to connect to and manage Oracle Rdb databases from within the SQL Developer environment. Comparable developer tools are available for most of the alternative database solutions listed in the table below.
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Oracle Rdb Connectivity Management (ORCM) and Developer Tools (ORDT)
Oracle Rdb Connectivity Management enables remote data access, remote database management, and application connectivity from various platforms, and Oracle Rdb Developer Tools is a free extension product that enables developers to build, manage, and deploy .NET applications using Oracle Rdb databases. Comparable tools are available for many of the alternative database solutions listed in the table below.
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Oracle Rdb Replication Option
The Oracle Rdb Replication Option provides facilitates Rdb database replication for a range of replication topologies. Equivalent functionality is provided by all of the alternative database solutions listed below.
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Migration resources
Tools & Solutions for Oracle Rdb Migration
Smart Planning
Key Considerations Before You Migrate
Proven OpenVMS Migration Success
Customer Success Stories: Seamless Database Migrations
See how organizations approached complex database migrations with minimal disruption and long-term success. From education to government, these stories show what effective transformation looks like in practice.
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Moving from Rdb to Oracle RDBMS
Database Migration Rdb Oracle Data Pump Embedded Code
A large educational institute migrated from Oracle Rdb to Oracle RDBMS on Linux to improve system integration. Custom tools, including a "data pump," automated data and structure migration with minimal disruption.Read Now -
Migrating the Master Database to Microsoft SQL Server
Database Migration Rdb Oracle Microsoft SQL Server FreeTDS
To support new Microsoft-based applications, a government department needed its OpenVMS systems to reliably access and update data in SQL Server. This was achieved by manually integrating the FreeTDS library into existing C and COBOL code, enabling secure, long-term interoperability without disrupting existing systems.Read Now -
Multi‑Site Migration from Oracle Rdb to PostgreSQL
Database Migration Rdb Oracle Linux PostgreSQL Sector 7 Multi-site
A large company with 430+ remote sites wanted to migrate their Oracle Rdb database to open source PostgreSQL. The application was to remain on an OpenVMS server; however the database was going to be located on a Linux server.Read Now