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External, Global, Value – Can we Use These in COBOL Linkage?

COBOL Linkage section top clauses of External, Global, and Value explained if you can use or not.

How to Check ‘Comp Variable’ for Spaces and Low-Values

Here’s sample COBOL logic where it tells you how to initialize the Comp variable before they move to numeric.

A Step-by-Step Guide to Running a Scala Program

Simple video tutorial of how to run commands in Scala Shell.

5 Challenging SQL Questions for Testing Your Skills

Here are top interview questions associated to SQL tables

COBOL CICS Compilation Process, Unlock these 5

Here are the top steps to follow while developing the CICS program. And, you can embed CICS macros in COBOL, PLI, and Assembler languages.

What is Cashback Debit Transaction, Real Knowledge

How a cashback transaction works explained the flow here. It is for Cashback when the Customer uses a Debit card.

Calling ‘MQINQ’ in COBOL to Get Queue Details See How

You can inquire about the queue in the MQ series. The routine MQINQ you can use in COBOL to get all details. Here is COBOL sample logic.

7 AWS Best Practices to Read Right now

Here are helpful AWS best practices that you need to migrate applications. These a solution architect always keep in mind when architecting.

How to Understand Python Oops Concepts [ Simplified]

Best Python OOPS concepts examples of Inheritance, Polymorphism, and Overloading. These are useful to implement Oops concepts in your Python programs.

SQL Queries: Insert, Update, Delete, and Merge

You can modify Table data with thse SQL queries. Those are Insert, Update, Delete and Merge.

15 Top AWS IAM Service Interview Questions

Here are Amazon AWS identity and access management interview questions. These help you understand the IAM service quickly.

How to Opt Which Columns to be Indexed in SQL

How to choose index columns for a Table. It is tricky. These are ideas to choose correctly.