Core MySQL Data Types and Schemas

Intermediate

🧩 MySQL Data Types & Schema Design

MySQL supports a variety of data types categorized broadly into:

🔢 Numeric Types

  • INT, FLOAT, DECIMAL
  • Suitable for precise calculations

📝 String Types

  • VARCHAR, TEXT
  • Store textual data with varying length constraints

⏰ Date/Time Types

  • DATE, DATETIME, TIMESTAMP
  • Facilitate scheduling and temporal data management

🌍 Other Types

  • 🗺️ Spatial Types
  • 🔄 JSON Types

🛠️ Schema Design

Designing schemas involves:

  • Defining tables with appropriate data types
  • Setting primary keys
  • Creating indexes to optimize query performance
  • Ensuring data integrity

📚 Proper understanding of data types is vital for efficient storage and retrieval.