PostgreSQL Crushes MongoDB for Most Backends—Except These Cases
In the PostgreSQL vs MongoDB showdown, structured data and joins tip the scales toward Postgres. But documents? That's Mongo's turf—until you factor in Postgres's hidden tricks.
In the PostgreSQL vs MongoDB showdown, structured data and joins tip the scales toward Postgres. But documents? That's Mongo's turf—until you factor in Postgres's hidden tricks.
Your WhatsApp threads load in a blink because someone nailed the database. Screw it up, and users bail—fast. Here's the gritty schema that keeps chats persistent and snappy.