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Database & Storage

Database TechnologiesComplete Guide

Master PostgreSQL, MongoDB, Firestore, and MySQL. Learn data modeling, queries, optimization, and best practices.

PostgreSQL

Advanced open-source relational database. Learn SQL, queries, indexes, transactions, and advanced features.

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MongoDB

NoSQL document database. Master documents, collections, queries, aggregation, and indexing.

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Firestore

NoSQL cloud database from Google. Real-time sync, offline support, and scalable backend.

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MySQL

Popular open-source relational database. Learn SQL, joins, transactions, and performance optimization.

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