Mid From PDF GoF Patterns Gang of Four Patterns

Database Connections:?

Short answer: In enterprise applications, a Factory Method can be used to instantiate different types of database connection objects (e.g., SQL Server, MySQL, Oracle) based on user preferences or configuration settings. The client code interacts with the database connection factory, and the factory returns the correct type of connection.

Say this in the interview

  1. Define — one clear sentence (the short answer above).
  2. Example — relate it to a project like ShopNest or your real work.
  3. Trade-off — when you would not use it.
Toolliyo Assistant
Ask about tutorials, ebooks, training, pricing, mentor services, and support. I use public site content only—not admin or internal tools.

care@toolliyo.com

Need callback? Share your details