IBM Db2 Database vs IBM Informix vs Oracle Database comparison

IBM Informix is a widely used and scalable relational database management system designed to handle large amounts of data and high transaction volumes. It is known to provide exceptional performance, thanks to its Parallel Data Query Engine (PDQ) that enables parallel processing of queries and operations, significantly reducing response times for complex queries and large data sets. Additionally, Informix supports online operations like backup, restore, index maintenance, and table reorganization, minimizing downtime and ensuring continuous availability.

Informix provides robust high availability and replication features, including shared-disk clustering, remote data replication, and high-availability data replication (HDR). These features ensure data redundancy, failover protection, and disaster recovery capabilities, making it a reliable choice for mission-critical applications. Furthermore, Informix offers specialized features for data warehousing and analytics, such as in-database analytics, data compression, and parallel load capabilities, making it suitable for business intelligence (BI) and data analysis applications.

Informix can be deployed as an embedded database, allowing it to be tightly integrated with applications and systems, reducing overhead and simplifying deployment. It includes workload management capabilities, enabling organizations to prioritize and manage different types of workloads, such as online transaction processing (OLTP) and analytical queries, ensuring efficient resource utilization and meeting service-level agreements (SLAs). Informix also provides robust security features, including role-based access control, data encryption, auditing, and compliance with industry standards like FIPS 140-2 and Common Criteria.

Oracle Database is a top-ranking multi-model database management system by Oracle Corporation. Through Oracle database services and products, clients receive cost-optimized and high-performing versions of Oracle Database, as well as in-memory, NoSQL, and MySQL databases. The solution is available by several service providers on premises, in the cloud, or as a hybrid installation. It can be run on vendor servers as well as on Oracle hardware, including Exadata on-premise, Oracle Cloud, or Cloud at Customer.

Users can select from various types of Oracle Database solutions, depending on what they aim to do with this product. Based on their specific needs, they can choose among options that include:

• Autonomously managed Oracle databases: This type of database eliminates the complexity of operating and securing Oracle Database, while simultaneously ensuring high levels of performance, scalability, and availability for users.
  
  
• Oracle Database on Exadata: Users who seek particularly fast platforms can select this type of running solution. Exadata is a computing platform that is optimized for running Oracle Databases and it serves as the fastest platform for Oracle Database.
  
  
• Oracle Database on-premises deployment: The product allows for deployment on-premises for clients who have data residency and network latency concerns. This option also offers customers the benefit of updated Oracle Cloud technology, including Exadata and Autonomous Database.
  
  
• Oracle Database in the cloud: Organizations can use a specific version of this tool in the cloud, benefiting from complete control over the versions they run and when these versions change.

Part of this product is a fully automated database service called Oracle Autonomous Database, which facilitates the development and deployment of application workloads for organizations. It is built on Oracle Database as well as on Oracle Exadata. This service supports various data types and simplifies application development and deployment from modeling and coding to extract, transform, load process (ETL), data analysis, and database optimization. The service achieves high results in:

• Performance
• Availability
• Security for online transaction processing (OLTP)
• Analytics
• Batch
• Internet of Things (IoT) workloads

Oracle Database Features

Oracle Database has various features which users can utilize in their work with the solution. Among these features are the following:

• Backup and recovery: Oracle Database ensures the integrity of users' data in system failure situations. This feature utilizes a tool named Recovery Manager (RMAN), which allows administrators to perform cold, hot, and incremental database backups, as well as point-in-time recoveries.
  
  
• Clustering: This feature enables high availability of systems in order to run without interruption of services on occasions when one or more servers in a cluster fail. Included is a tool called Oracle Real Application Clusters.
  
  
• Data dictionary: Through this set of internal tables and views, Oracle Database can be administered more efficiently.
  
  
• Logical data structure: Through its feature for logical data structure, Oracle Database stores data in a way that allows users to interact with the database without knowing where the physical storage of the data is located.
  
  
• Memory catching: Through the memory caching architecture feature, users can scale up very large databases and still perform at a considerably high speed.
  
  
• Partitioning: This feature allows users to divide large tables into different pieces and store the pieces across storage devices.

Oracle Database Benefits

Oracle Database offers its users various benefits. Some of these include:

• The solution decreases costs for organizations and provides a high return on investment (ROI) through the multiple services and features it offers.
  
  
• Oracle Database has high-security protection which includes encryption, key management, data masking, and activity monitoring, that secures organizations' data within the tool.
  
  
• The tool offers users the ability to use a single database for all data types, simplifying the process for them.
  
  
• Oracle Database can be deployed in multiple places, including data centers and public and private clouds, which allows great flexibility for users.
  
  
• The product allows applications from different platforms to communicate with the database through its networking stack.
  
  
• Oracle Database is ACID-compliant, which helps maintain data reliability and integrity.

Reviews from Real Users

Paul S., president at Advance Consulting Enterprise, likes Oracle Database because it gets the job done, doesn't fail, and suitable for massively scalable applications.

An Oracle DBA at a computer software company describes Oracle Database as reliable with good performance and very good stability.