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Differences between MongoDB Realm Triggers and Change Streams in Node.js

Theory

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Differences between MongoDB Realm Triggers and Change Streams in Node.js

Differences between MongoDB Realm Triggers and Change Streams is a Node.js topic. In plain words you use it for read a big CSV in an upload job. Don’t start with a slogan — start with that picture.

Smallest example: createReadStream. Type it, run it, and say what you see. If you can do that from memory, you know Differences between MongoDB Realm Triggers and Change Streams.

From the example next to this theory — Differences between MongoDB Realm Triggers and Change Streams in Node.

Trap — loading the whole file into RAM. Fix that before you talk about advanced Node.js.

Viva: what is Differences between MongoDB Realm Triggers and Change Streams? Then show createReadStream. Then name the trap.

Exam tip

What is Differences between MongoDB Realm Triggers and Change Streams? Show this: createReadStream. Trap: loading the whole file into RAM.

Example

// Differences between MongoDB Realm Triggers and Change Streams in Node.js
const users = [
  { id: 1, name: "Asha" },
  { id: 2, name: "Ravi" },
];

function findUser(id) {
  return users.find((u) => u.id === id) ?? null;
}

console.log(findUser(2));
console.log(users.map((u) => u.name));

Differences between MongoDB Realm Triggers and Change Streams in Node.js: find user 2, then list names. Say both prints.

Short notes

DefDifferences between MongoDB Realm Triggers and Change Streams — read a big CSV in an upload job.
RulecreateReadStream
Traploading the whole file into RAM
Usean upload job

// Differences between MongoDB Realm Triggers and Change Streams in Node.js const users = [ { id: 1, name: "Asha" }, { id: 2, name: "Ravi" }, ]; function findUser(id) { return users.find((u) => u.id === id) ?? null; } console.log(findUser(2)); console.log(users.map((u) => u.name));

Differences between MongoDB Realm Triggers and Change Streams in Node.js

Example

Short notes

Questions

Differences between MongoDB Realm Triggers and Change Streams in Node.js

Example

Short notes

Questions