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MySQL

MySQL is an open-source relational database management system widely used for web applications and data storage.

What is MySQL?

MySQL is an open-source relational database management system (RDBMS) based on Structured Query Language (SQL). It's one of the most popular databases for web applications, powering many major websites and applications.

MySQL Basics

  • Database: Container for tables
  • Table: Structured data storage
  • Row: Individual record
  • Column: Data field
  • Primary Key: Unique identifier
  • Foreign Key: Relationship reference

MySQL Features

ACID compliance, replication, partitioning, stored procedures, triggers, and full-text search.

Common Misconceptions

  • "MySQL is only for small apps" - Powers large-scale systems
  • "MySQL is insecure" - Security depends on configuration
  • "MySQL equals MariaDB" - Fork with growing differences