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Master Microservices with Spring Boot and Spring Cloud - Step 1 – Object Relational Impedance Mismatch

Master Microservices with Spring Boot and Spring Cloud - Step 1 – Object Relational Impedance Mismatch

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial discusses the Java Persistence API (JPA) and its role in addressing the object-relational impedance mismatch. It explains the challenges of mapping Java objects to relational database tables, highlighting differences in design principles. Examples are provided to illustrate these mismatches, such as naming conventions and relationships. The tutorial also introduces persistence frameworks like JDBC and Spring JDBC, which aim to solve these issues.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary problem that the Java Persistence API aims to address?

Enhancing Java's performance

Resolving the mismatch between Java objects and database tables

Improving Java's user interface capabilities

Integrating Java with web services

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of object-relational impedance mismatch, what is a common difference between objects and tables?

Objects are faster to access than tables

Objects use encapsulation, while tables use encryption

Objects have fields, while tables have columns

Objects are stored in files, while tables are stored in memory

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are relationships typically represented in Java compared to relational databases?

Java uses arrays, while databases use lists

Java uses inheritance, while databases use foreign keys

Java uses interfaces, while databases use views

Java uses lists of objects, while databases use join tables

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common approach to handle multiple classes mapping to a single table in databases?

Using a view to combine tables

Using separate tables for each class

Using a single table with a type discriminator

Using a stored procedure to manage data

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a framework used to solve the persistence problem in Java?

JavaFX

Spring JDBC

Java Swing

JavaServer Faces

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