Pivotal Certified Professional Core Spring 5 Developer Exam: A Study Guide Using Spring Framework 5

© Iuliana Cosmina 2020

I. CosminaPivotal Certified Professional Core Spring 5 Developer Examhttps://doi.org/10.1007/978-1-4842-5136-2_5

5. Data Access

Iuliana Cosmina¹ 

(1)

Iasi, Sibiu, Romania

 

Software applications usually handle sets of data that must be stored in an organized manner so they can be easily accessed, managed, and updated. The fact that data can be persisted means that it is available even when the application is down. So storage is decoupled from the rest of the application. The most common way of organizing data for storage is a database. Any storage setup that allows data to be organized in such a way that it can be queried and updated represents a database. The most widely known and used databases nowadays are relational databases ...