Understanding ACID and Transaction Complexity

mr. sci. Admir Mujkic
3 min readNov 24, 2023

Ever been caught in the suspenseful moment of making an online payment and the internet blatantly bails on you? The dilemma of ‘Did it, didn’t it?’ sounds familiar, doesn’t it? We’re cutting through the jargon and diving deep into the pulse of online transactions. Let’s unravel what makes our digital world spin flawlessly.

A deep understanding of ACID principles takes you a long way.

The Slippery Concept of a Transaction

Let’s begin with the basics. What is a transaction exactly? In its simplest sense, it’s just a sequence of operations executed as a single unit, just like making a sandwich. You can’t just slap some mayo on bread and call it a day; you must add lettuce, turkey, and cheese to complete it. Similarly, in the digital space, a transaction would, by definition, be a set of steps or activities, all of which must happen for it to be considered ‘done.’

Have you ever found yourself mid-way transferring money from savings to checking and wondered what happens when things go wrong?

Visualize this — you’re shifting cash around in your accounts. A sequence of events unfolds. Verifying sufficient funds in savings, then decreasing those reserves. Simultaneously, your checking account swells.

But let’s pause. What happens if a hiccup occurs in this process? Ideally, the transaction should reverse. Pretend it was a mirage, never materialized. Here, the term ‘transaction’ begins to appear ‘slippery.’ It’s not merely about undertaking actions but ensuring a complete success or a coherent failure.

The Meaning of ACID

ACID isn’t as scary as it sounds. It’s just four principles that keep your transactions ticking over smoothly. Let me break it down.

Atomicity: It’s all or nothing, like Mercedes: “The Best Or Nothing”. Transactions are only successful if every operation goes to plan. One hiccup? The whole transaction quits.

Consistency: A little like a brilliant cleaner, this principle ensures databases transition from one spick-and-span state to another.

Isolation: Everyone needs their space. Transactions are no exception. They run concurrently, without any interference.

Durability: This is the keeper of promises. A committed transaction is always committed, no matter how many systems fail or go under.

Now that you’ve unlocked the code of ACID, dare you apply it to your tech solutions with Penzle.

ACID properties of database transactions

Sleep Easy with Online Transactions

Have you ever had a heart-thumping moment during an online money transfer? Here’s why ACID has your back: Moving from one account to another? Point A to Point B — no halfway houses. That’s Atomicity.

Are you worried about your account balance teetering off point? ACID keeps the digital scales balanced — before and after the transaction. That’s Consistency.

A queue of transactions? No jostling allowed. Each deal has its VIP lane. Say hello to Isolation. A system crash at the bank? Your money doesn’t vanish into a digital black hole. It’s secured with Durability.

Your transactions are safe even if the system takes a nosedive. Isn’t it time you slept better knowing ACID has your back which core of Penzle System?

For the end

Behind every button click online, a symphony of ACID (Atomicity, Consistency, Isolation, Durability) works tirelessly. Mind-boggling? Perhaps.

But fear not — ACID transforms this digital labyrinth into a walk in the park. Think of it the next time you breeze through an online transaction, savoring the smoothness.

Fear not — ACID transforms this digital labyrinth into a walk in the park.

Have you ever wondered who’s got your back when transferring money online? That’s ACID, making each click count. Quite the unsung hero, right?

Ready to dive deep into the ACID magic? Turn slippery concepts into hard facts and unravel the mystery. You’re just a click away!

Cheers! 👋



mr. sci. Admir Mujkic

Admir combined engineering expertise with business acumen to make a positive impact & share knowledge. Dedicated to educating the next generation of leaders.