We saw in the last chapter how many web applications are built around the concept of resources. An online store has products to sell. A social media application has people with accounts. Resource-oriented web applications therefore need to store these resources in some fashion - possibly as objects in some kind of collection, or possibly with a database.

Key Terms

Some key terms to learn in this chapter are:

  • Database
  • Relational Database
  • Object-Oriented Database
  • Document-Based Database
  • Structured Query Language (SQL)
  • Language Integrated Query (LINQ)
  • Anonymous Types
  • Extension Methods

Key Skills

The key skills to develop in this chapter are:

  • Using LINQ to perform query operations on data sets
  • Writing extension methods to provide new functionality to existing classes