Databases Demystified: From SQL to NoSQL
Databases Demystified: From SQL to NoSQL Databases come in many shapes. SQL databases use a structured, table-based model with a fixed schema. NoSQL covers several families and emphasizes flexibility and speed. Both aim to store data reliably, but they optimize different goals. Understanding the basics helps you pick the right tool for a project. SQL databases organize data in tables with rows and columns. They favor strong consistency and support the ACID properties: atomicity, consistency, isolation, and durability. SQL lets you join data across tables with powerful queries, which makes reporting and complex relationships straightforward. For example, a customers table and an orders table can be linked by customer_id to produce order histories. ...