IMS
IMS (Information Management System) is a hierarchical database and transaction management system developed by IBM, primarily used on mainframe computers. It provides robust data storage, retrieval, and processing capabilities, supporting high-volume transaction workloads in industries like banking, insurance, and government. IMS includes components for database management (IMS DB) and transaction processing (IMS TM), often integrated with IBM's z/OS operating system.
Developers should learn IMS when working in legacy mainframe environments, especially in finance, healthcare, or large enterprises that rely on IBM systems for critical, high-performance applications. It is essential for maintaining and modernizing existing IMS-based systems, such as core banking platforms, where its reliability and scalability are crucial. Knowledge of IMS is valuable for roles involving mainframe development, database administration, or migration projects to newer technologies.