What does database mean?

What does database mean? When do I choose SQL or NoSQL? Database = the place where application data is stored (such as users, requests, messages...) There are two basic types: ☝️- SQL (Relational) databases: Such as: MySQL - PostgreSQL - SQLite Data is stored in the form of organized and fixed linked tables and is suitable for projects that have clear relationships between data. Example: If you have a site that contains students, and each student is registered in a course group, then SQL is the most appropriate. ✌️- NoSQL databases: Such as: MongoDB - Firebase - Redis Stores data in a flexible format (such as JSON) More suitable for unstructured or rapidly changing data. It efficiently handles huge data volumes Example: If you have a chat or social media application, and the data is constantly changing, NoSQL will be suitable. Well what should I choose? If you have interconnected and structured data → choose SQL If you have flexible and constantly changing data → choose NoSQL If your project is large, you can use both types together as needed Can I use SQL and NoSQL in the same project? Yes, this actually happens in huge projects. Real example:
- Netflix SQL (MySQL): to store account, subscription, and payment data. NoSQL (Cassandra + Dynomite): to store session data, viewing history, recommendations.
- Uber SQL (MySQL): To book trips, basic data for drivers and customers. NoSQL (Riak + Cassandra): for tracking live websites and dealing with real-time data in real time.
- Facebook SQL (MySQL): To manage basic user data. NoSQL (Cassandra + RocksDB): to store feeds, likes, comments, and activities. This integration gives them flexibility and speed of performance with strong organization of the underlying data. #programmer_idea #Programming #Databases #SQL #NoSQL #MongoDB #PostgreSQL #Learn_programming