Database

A Database Management System (DBMS) is the foundational software for storing, organizing, and retrieving structured data. It acts as a digital filing cabinet, ensuring data integrity, consistency, and security. Databases are essential for applications requiring reliable data persistence, from simple websites to complex enterprise systems. They come in various types, such as relational (SQL), NoSQL, and key-value, each optimized for specific use cases. Key features include data modeling, querying (e.g., using SQL), transactions (ACID properties), and concurrency control. The choice of a database depends on factors like data structure, scalability needs, and consistency requirements.

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