Articles by Tag #cobol
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COBOL Tutorial Series: Working with Database - Session 5
Hello, I'm Duke Today I will show you how to work with Database by COBOL. But, you should read all...
COBOL Tutorial Series: Developing Without a Mainframe - Session 1
Hello, I'm Duke COBOL - a 65-year-old language, yet it is used in large financial and banking...
COBOL Tutorial Series: Loop statements - Session 4
Hello, I'm Duke In the previous 3 sessions, I have guided you on how to develop, compile, and create...
COBOL Tutorial Series: Condition (IF, ELSE) statement - Session 3
Hello, I'm Duke In the previous 2 sessions, I have guided you on how to develop, compile and create...
COBOL Tutorial Series: A calculation program - Session 2
Hello. I'm Duke In the previous article, I showed you how to program and compile COBOL applications...
COBOL Tutorial Series: DB2 vs SQL Server Architecture Comparison - Session 7
Hello, I'm Duke and I come back. SQL Server, surely everyone here has heard of, used or even...
COBOL Tutorial Series: Install the DB2 on Windows/Linux - Session 6
Hello I'm Duke and I come back. IBM DB2 is a family of data management products, including...
Understanding COBOL to Java: Best Tools and Frameworks for Seamless Transition
COBOL has powered mission-critical systems in banking, insurance, and government sectors. But in...
Predicting Legacy Failures: Training and Hosting ML Models in SageMaker
Introduction Legacy systems are infamous for failing silently—or catastrophically—with no...
What specific business opportunities might be missed by sticking with COBOL instead of moving to a language like C++?
Sticking with COBOL instead of migrating to a modern language like C++ can result in missed business...
Why I Keep Coming Back to Python and Django
In a low-code world, I still choose high-code. Most of my day job revolves around enterprise...
Introduction to COBOL
The Problem As businesses began relying more heavily on computers for data processing—such...
How does the complexity of report generation in C++ compare to COBOL for businesses that rely heavily on data reporting?
Comparing the complexity of report generation in C++ and COBOL for businesses that rely heavily on...
In what scenarios would training C++ programmers in COBOL be more advantageous than migrating to C++?
Training C++ programmers in COBOL can be more advantageous than fully migrating systems to C++ in...
Learning COBOL as a Beginner — A Simple Step-by-Step Guide
Hey there! 👋 I'm currently learning COBOL — yes, that old programming language from the 1960s! I know...
Modernizing COBOL Applications for Free: A Practical Guide with GnuCOBOL
Hey there, tech enthusiasts! 👋 Ever wanted to learn COBOL but got scared away by expensive...
Legacy, Meet Cloud Native: Lessons from Blending COBOL, K8s, and ML
Introduction When people talk about modernization, they often picture “lift and shift,”...
从 COBOL 到汇编：用个税计算器带你扒光 60 年老古董语言
本文通过实现中国个税计算器，解析COBOL语言与汇编指令的对应关系。文章首先指出全球70%的金融交易仍依赖COBOL系统，强调其现实意义。随后详细拆解COBOL程序结构，包括四大Division（IDENTIFICATION/ENVIRONMENT/DATA/PROCEDURE）及其对应的汇编实现，重点分析PIC数据声明、计算语句和条件分支的底层指令转换。案例展示了COBOL的MOVE对应汇编mov、COMPUTE对应算术指令、EVALUATE实现条件跳转等核心机制，揭示这门"类英语"语
Building a Smart Feedback Loop: Real-Time Inference on COBOL Logs
Introduction Modern data pipelines don't stop at processing—they evolve. With our...
COBOL Interpreter
Feel free to download a copy of the cobolscript interpreter at http://www.cobolscripting.com. Best...
COBOL Fundamentals: Data Types & Variables
Data Types in COBOL The COBOL standard categorizes data based on its purpose into five...
Cobol Migration
COBOL (Common Business-Oriented Language) has been the backbone of critical business systems in...
Is translating old programs from COBOL to Java worth the effort, or are there better ways to modernize legacy systems?
Translating old COBOL programs to Java can be worth the effort in certain scenarios, but whether it’s...