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Articles tagged with #backend
You write a query. The database runs it. You get your result. Simple, right? Not quite. Before your query ever runs, the database is already making decisions behind the scenes. It evaluates different
You run a query, and it feels slow. You tweak the SQL. Add a condition. Rearrange a join. Sometimes it helps. Sometimes nothing changes. At this point, many developers are guessing. But the database i
When you write a query like: SELECT * FROM users WHERE id = 10; it feels simple. You send a request, and the database returns the result. But behind that one line of SQL, a lot is happening. The data
In a traditional database system, data is usually stored in one primary location. When a user updates information, everyone reading from that database sees the same result almost immediately. Distribu
Most applications today store enormous amounts of data. As these systems grow, storing all data in a single location becomes inefficient and difficult to manage. To improve scalability and performance
As modern applications grow, they often move beyond a single database server. Systems that once served a few thousand users may eventually need to support millions of requests across different regions
