COBOL (Common Business-Oriented Language) is a computer programming language designed for use in business, finance, and administrative systems and widely used in applications deployed on mainframe computers, such as large-scale batch and transaction processing jobs.
IBM Db2 is database software that can reliably handle multiple workloads and the latest version of Db2 is optimized to provide extreme performance while lowering costs.
JCL (Job Control Language) is a scripting programming language used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem.
Laravel is a free, open-source PHP web framework, created by Taylor Otwell and intended for the development of web applications following the model view controller (MVC) architectural pattern and based on Symfony. Some of the features of Laravel are a modular packaging system with a dedicated dependency manager, different ways for accessing relational databases, utilities that aid in application deployment and maintenance, and its orientation toward syntactic sugar.
IBM mainframes are high-performance computers with large amounts of memory and processors with capability to process billions of simple calculations and transactions in real time.