Understanding Databases and SQL Basics What is a Database? A database is a structured collection of interrelated data that facilitates efficient retrieval, insertion, and deletion of information. Databases are typically organized in tables, which consist of rows and columns, allowing for systematic data management. For example, a university database might contain tables for students, faculty, and courses, enabling easy access to related information. Database Management Systems (DBMS) A Database Management System (DBMS) is software designed to manage databases. It provides an environment for users to create, modify, and query databases while ensuring data integrity and security. DBMS can be classified into two main types: Relational Database Management Systems (RDBMS) : These organize data in tables with relationships defined through primary and foreign keys. SQL (Structured Query Language) is used for querying and manipulating the data. Non-Relational Database Managem...
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