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Imagine you're using Uber. You request a ride. Within seconds, your request reaches an available driver near you. But here's the interesting question. How did Uber know which driver service to contact?
Imagine you're scrolling through your Instagram feed. You like a post. Your friend refreshes their phone immediately. For a few seconds... they still don't see your like. Did the system lose your data? No.
Imagine you're transferring ₹10,000 from your bank account to your friend's account. The process looks simple. Your account balance decreases. Your friend's balance increases. Now imagine something goes wrong halfway through. Your account is debited. But your friend's account is never credited because the database crashed. The money disappears.
MongoDB, Express, React, and Node.js end to end: what to learn in order, starter projects that teach real skills, and mistakes to avoid when you deploy.
From BSON basics to production MERN stacks: schema design, indexing, aggregation, transactions, Atlas, and mistakes Node developers make when escaping SQL habits.
Angular plus Node and MongoDB powers enterprise teams worldwide. Here is how to learn the MEAN stack, where the jobs are, and how it compares to MERN for your career.
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