Ingres is an open-source relational database management system (RDBMS) that emphasizes performance, scalability, and ease of use. It was originally developed at the University of California, Berkeley in the 1970s and later commercialized as a product. Today, it is maintained by Actian Corporation and provides a robust and reliable platform for managing large volumes of data while supporting SQL standards and providing connectivity to various application development environments.


The phonetic pronunciation of the keyword “Ingres” would be: /ˈɪŋgreɪs/ (IHNG-rays).

Key Takeaways

  1. Ingres is an open-source relational database management system, which allows for efficient organization and retrieval of data.
  2. It has a strong history, originally developed in the 1970s at the University of California, Berkeley, and has evolved into a versatile and reliable database system widely used in enterprise environments.
  3. Key features of Ingres include support for SQL, ACID transactions, stored procedures, triggers, and support for multiple programming languages.


Ingres is an important technology term as it refers to a pioneering relational database management system (RDBMS) that significantly impacted the field of database technology.

Developed in the 1970s at the University of California, Berkeley, Ingres introduced several novel concepts, such as the query language Quel, which later influenced the development of SQL.

Additionally, Ingres’ open, extensible, and adaptable architecture served as a foundation for various commercial and open-source database systems, such as PostgreSQL and Microsoft SQL Server.

The Ingres project has not only fostered innovation in database technology but also educated numerous professionals who went on to make substantial contributions to the industry.

Today, acting as Actian X, it continues to be relevant as a high-performance, low-maintenance RDBMS.


Ingres is a powerful and flexible open-source relational database management system (RDBMS) whose purpose is to help organizations, businesses, and developers manage their data efficiently and systematically. It is widely recognized for its robust performance, rich features, and strong security, making it an ideal choice for a wide range of applications. Ingres was originally developed in the 1970s at the University of California, Berkeley, and has since evolved into a prominent solution for managing large-scale databases.

The system supports various programming languages and platforms, enabling users to create, store, and manage sensitive and complex data. Ingres is particularly popular in industries such as finance, healthcare, and government, where data integrity, security, and performance are of utmost importance. The primary use of Ingres lies in its capability to provide businesses with an efficient and reliable way of handling their data storage needs.

Users can create, modify, and maintain databases through its intuitive SQL querying language, which allows them to define table structures, search for specific records, and manipulate the data stored within them. Additionally, Ingres provides advanced features such as stored procedures, triggers, and support for complex transactions, empowering developers with sophisticated tools to meet their specific application requirements. Moreover, Ingres offers extensive compatibility with industry standards, including connectivity options like ODBC and JDBC, thereby ensuring seamless integration with existing infrastructure and applications.

In summary, Ingres is a valuable asset to any organization seeking a dependable and versatile RDBMS to manage their data and streamline their operations.

Examples of Ingres

Ingres is an open-source relational database management system (RDBMS) that has been widely used in various industries for handling and managing data. Here are three real-world examples of Ingres usage:

Government Sector: The Australian Taxation Office (ATO) is one of the well-known government organizations that utilized Ingres to manage their taxation system. They used Ingres’ database solutions to help streamline their data management processes and improve data integrity, optimizing their tax collection efficiency.

Healthcare Industry: Ingres has been used in healthcare management systems, such as the National Health Service (NHS) in the United Kingdom. By leveraging Ingres’ RDBMS, NHS was able to manage large-scale data related to medical records, hospitalizations, and treatment plans more effectively, ultimately improving the quality of healthcare services for patients.

Financial Industry: Many financial institutions have adopted Ingres to manage critical financial data, ranging from account transactions to compliance reporting. An example would be the Royal Bank of Canada, which used Ingres to maintain database consistency across multiple applications and streamline their financial operations.

Ingres FAQ

What is Ingres?

Ingres is an open-source relational database management system (RDBMS) that is designed to support mission-critical applications. It provides performance, scalability, and reliability for a wide range of applications and industries.

What are the primary features of Ingres?

Ingres offers features like ACID compliance, referential integrity, support for stored procedures and triggers, MVCC, and Unicode support. Additionally, it provides a powerful query optimizer, support for various data types and indexing methods, and a rich set of programming APIs for application development.

How is Ingres different from other RDBMS solutions?

Ingres is distinguished by its focus on high performance, enterprise-ready features, and ease of use for developers and administrators. It is also an open-source product, which means it can offer lower total cost of ownership (TCO) than many commercial alternatives.

Which platforms and operating systems support Ingres?

Ingres is supported on various platforms, including Windows, Linux, UNIX, and macOS. Its cross-platform compatibility makes it an ideal choice for organizations that work with multiple operating systems.

Is Ingres a good fit for my business?

If your business requires a powerful, reliable, and scalable RDBMS solution to handle complex data and transactions, Ingres could be an excellent choice. Its open-source nature and support for various platforms make it a cost-effective and flexible option for many organizations.

How can I get started with Ingres?

To get started with Ingres, you can visit their official website to download the software and access documentation, tutorials, and other resources. The Ingres community also offers support through forums, mailing lists, and user groups.

Related Technology Terms

  • Relational Database Management System (RDBMS)
  • Structured Query Language (SQL)
  • OpenAPI (formerly known as Swagger)
  • Data Warehousing
  • Actian Corporation (formerly Ingres Corporation)

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