Mainframe

Introduction In today’s fast-paced world, the banking industry faces ever-increasing challenges to keep up with technological advancements, changing customer demands, and regulatory requirements. As financial institutions strive to deliver efficient and reliable services to their customers, they rely on robust and comprehensive core banking systems. One such prominent system is the Hogan Core Banking System, … Read more

Introduction on SORTJOIN In the world of mainframe computing, JCL (Job Control Language) plays a crucial role in defining and managing batch jobs. One of the fundamental tasks in data processing is sorting, and JCL offers several powerful sorting techniques. Among these techniques, SORTJOIN stands out as an efficient method for merging and sorting data … Read more

Introduction on PL/1 Important Questions PL/1 (Programming Language 1) is a high-level programming language that was initially designed for scientific, engineering, and business applications. Developed in the 1960s, PL/1 combines features from several programming languages, making it a versatile and powerful choice for various domains. In this blog, we will explore some of the most … Read more

REXX (Restructured Extended Executor) is a programming language that was developed in the late 1970s. It is a high-level programming language that is easy to learn and has a simple syntax. It is mainly used on IBM mainframe computers, but it can also be used on other platforms like Windows, Linux, and macOS. In this … Read more

Most Mainframe interviews comprises of questions around the real time projects you worked in the past, the challenges you faced and how you offered solutions for critical problems. In this article I would like to share some of the important Mainframe interview questions. COBOL DB2 Interview Questions and Answers 1. Explain DRDA ? DRDA represents … Read more

MQSeries Techniques Queue choice For any MQSeries application you need to decide what MQSeries queues to use, and which classes of message you require. It is recommended that applications are not written with hard coded queue or queue manager names, but instead utilise a runtime configuration mechanism, perhaps a simple text file, that contains this … Read more

The API supported by MQSeries is known as the Message Queue Interface (MQI). There are only 11MQI function calls in total, these allow programs to: The MQI provides structures in order to supply input to, and get output from, the calls. It also supplies a large set of named constants to help with the construction … Read more

A brief introduction to MQ Series As a whole MQ Series enables messages to be exchanged, either synchronously or asynchronously, between application programs running on one or more target systems. Messages travelling between programs are stored on message queues, which are under the control of a service provider called a queue manager. In general, a … Read more

How to use JCL Cond Parameters to skip a step in a Job Cond Parameters are used in Job steps to route the job execution of each steps or a particular step. For example if you want to skip a particular step based on previous steps outcome, using a COND parameter is a good solution. … Read more