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Introduction to Databases

Databases are the backbone of modern applications, serving as structured repositories for storing, retrieving, and managing data efficiently. Whether you're building a simple blog or a complex enterprise system, understanding databases is crucial for any developer or engineer.

1. Database Engineering​

This section focuses on the practical aspects of working with databases in real-world scenarios. Learn how to:

  • Choose the right database for your project
  • Configure and optimize database performance
  • Implement security best practices
  • Handle scaling and high availability
  • Work with popular database systems like PostgreSQL, MySQL, MongoDB, and more

2. Database Systems​

Delve into the theoretical foundations and internal workings of database management systems. This category covers:

  • Database architecture and components
  • Storage engines and indexing strategies
  • Transaction management and concurrency control
  • Query processing and optimization techniques
  • Distributed database concepts

3. SQL​

Master the Structured Query Language, the universal language for interacting with relational databases. Explore:

  • SQL syntax and grammar fundamentals
  • Data definition and manipulation operations
  • Advanced querying techniques (joins, subqueries, window functions)
  • Database design principles and normalization
  • Performance tuning and best practices