IBM Db2 is the database to run your mission-critical workloads. Low-latency transactions and real-time analytics across any cloud, hybrid, or on-prem.

Microsoft SQL Server is a relational database management system developed by Microsoft.

As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications. There is choice and flexibility across languages and platforms, including Linux, Windows, and Kubernetes.

Windows Server is a series of enterprise-class server operating systems. It's designed to share services with multiple users and provide administrative control of data storage, applications, and corporate networks. Windows Server is typically installed on heavy-use servers that serve as the backbone for most IT companies, applications, and services. A client operating system can be run on a desktop or workstation.

Redis is an open source, in-memory data structure store used as a database, cache, message broker, and streaming engine.
Redis is used as a database, cache, message broker, and streaming engine. It provides data structures such as strings, hashes, lists, sets, and more.

Redis is a popular choice for many applications because it provides a simple key-value data model and supports advanced data structures and operations. Redis keeps the dataset in memory for fast access, but can also persist all writes to permanent storage to survive reboots and system failures

Red Hat Enterprise Linux (RHEL) is a Linux operating system developed by Red Hat for the business market. It is a commercial open-source Linux distribution that is mainly used in commercial data centers. RHEL is certified with thousands of vendors and across hundreds of clouds.