Summary

The database itself is a large platform and we have covered those parts that are relevant to our Spring and Android projects and contents. In this chapter, we have learned what the database is, as well as looking at the various types of it. We have seen a brief description of the DBMs. After that, we have learned about the JDBC, which is an API specification for connecting and moving data from frontend to backend. Then we have developed a project using JDBC where we created, read, updated, and deleted data from the databases. After this topic, we have learned another API called JPA, which is an approach to ORM and a system that maps Java objects to database tables and vice-versa. Then we have learned more about the JPA and its use with the help of a project. There, we have also learned about CRUD-based REST API. Lastly, we have learned about the latest technology of Android...