• Relational model — the theory
  • Schemas and instances
  • Entity-relationship diagrams
  • Relational algebra
  • Relational calculus
  • Normalization
• Consistency
  • ACID — Atomicity, Consistency, Isolation, Durability
  • Transactions
• Data representation
  • XML — Extensible Markup Language
    • DTD — Document Type Definition
    • DOM — Document Object Model
  • JSON — JavaScript Object Notation
  • on the disk — B-trees and their kin
• Query languages
  • SQL — Structure Query Language
  • MapReduce — NoSQL
• The implementations
  • Languages
    • PHP — server side scripting
    • ODBC — Open Database Connectivity
  • Database management systems
    • SQLite
    • LAMP — Linux, Apache, MySQL, Perl/PHP/Python
    • MongoDB
    • Data in the cloud — Amazon Web Services
• Topics from the real world
  • GIS — geographic information systems
  • Databases gone bad