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mongodb

3 articles

databases

42 NoSQL Database Interview Questions and Answers (2026)

42 NoSQL interview questions covering MongoDB, Redis, and DynamoDB: aggregation pipelines, data structures, GSI vs LSI, and CAP theorem. Updated for 2026.

Jun 10, 2026·51 min read·Zeeshan Tofiq
nodejs

Mongoose 9 Migration Guide: What Actually Breaks in a Real MERN App

Upgrading to Mongoose 9? Here's what actually breaks in real MERN apps: pre-save hooks, plugins, TypeScript types, and how to fix each one.

Aug 16, 2026·12 min read·Zeeshan Tofiq
nodejs

Mongoose and TypeScript: How to Type Your Models Without Writing Everything Twice

How to type Mongoose schemas in TypeScript without duplicating interfaces, using InferSchemaType, HydratedDocument, and the populate() fix nobody explains.

Aug 17, 2026·15 min read·Zeeshan Tofiq