Author: web-admin

MongoDB Getting Started Just like “MongoDB Home” was mostly the welcome/intro page in tutorials, “MongoDB Getting Started” is the next logical section — it’s the practical “first steps” guide that almost every tutorial, documentation,...

What is MongoDB Query API? This is a very important term — once you understand it, everything else clicks. Many beginners think “Query API” is some separate thing or a REST API, but it’s...

What is MongoDB mongosh Create Database? This is super common confusion for beginners, so let’s clear it 100% like a patient teacher sitting next to you with a notebook. Big Truth First (Write this...

What is MongoDB mongosh Create Collection? Just like databases, MongoDB is very relaxed about collections too (collections = tables in SQL world). Big truth first (write in big letters!): MongoDB does NOT require you...

MongoDB mongosh Insert (aka How to add data using insertOne() and insertMany() in the mongosh shell) This is the C in CRUD — Create / Insert operations. It’s how you bring new documents (your...

MongoDB mongosh Find (aka the most used command after insert — Read / Retrieve data using find() and friends) This is the R in CRUD — the heart of almost every app. find() is...

MongoDB mongosh Update — the U in CRUD. This is how you modify existing documents without deleting and re-inserting everything. 1. The Two Main Update Methods in mongosh (2026 Standard) Method What it does...

MongoDB mongosh Delete — the D in CRUD. This is how you permanently remove documents from a collection. Once deleted, they’re gone (unless you have backups or oplog/time-travel — but that’s advanced). 1. The...

1. What Exactly Are MongoDB Query Operators? (Big Picture) Query operators are prefixed with $ keywords that tell MongoDB how to compare, match, combine, or evaluate field values. Official categories (as per MongoDB 8.0...

MongoDB Update Operators — the $ prefixed tools you put in the second argument of updateOne(), updateMany(), findOneAndUpdate(), replaceOne() (sometimes), and even aggregation $merge/$set stages. These operators are what make updates atomic, efficient, and...