In DB2, you need to know Rusnstats utility when it has to run. Ideas that are given in this post help you to make a decision.
Python does not support arrays. However, it supports Lists. The given examples help you know the differences between these two.
DB2 SQL is popular in mainframe and open source. I have given DB2 tricky SQL queries for your reference.
SQL procedure saves your time when writing it for repetitive tasks. On top of that, writing code with Labels improves readability. So that maintenance is easy.
TSO’s real purpose in the Mainframe is to execute daily use developer commands. TSO provides pre-defined commands. Still, you can create yourself and run in the TSO session.
I have explained Docker security best practices in this post. The highlights are Docker security for Containers.
Containers are the new concept over Virtual machine. Performance point of view containers better. The listed differences between these two, in this post, useful for your interviews and projects.
In Ansible, role and playbook are superior. Multiple roles – role1, role2,etc present in a Playbook. Follow these rules to create a role.