What is Database?
An organised collection of data that your application can store, retrieve, and update
Why It Matters
Databases are where all your app's important information lives, from user accounts to orders to content
Real-World Example
When you create a profile on a social media app, your details are stored in their database
Related Terms
SQL
A language for communicating with databases, used to create, read, update, and delete data
NoSQL
Databases that store data differently from traditional tables, often as flexible documents or key-value pairs
PostgreSQL
A powerful, free, open-source database known for reliability and advanced features
MongoDB
A popular NoSQL database that stores data as flexible documents similar to JSON
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Related Terms
SQL
A language for communicating with databases, used to create, read, update, and delete data
NoSQL
Databases that store data differently from traditional tables, often as flexible documents or key-value pairs
PostgreSQL
A powerful, free, open-source database known for reliability and advanced features
MongoDB
A popular NoSQL database that stores data as flexible documents similar to JSON
Schema
A blueprint that defines the structure of your data, including fields and their types
Migration
A controlled way to change your database structure over time, with the ability to undo changes