Master Java Web Services and REST API with Spring Boot- Step 30 - Creating User Entity and some test data

The video tutorial covers setting up a user repository using JPA and an in-memory H2 database. It explains how to make a user an entity, disable security, and enable the H2 console for logging and viewing data. The tutorial demonstrates creating and populating a user table, troubleshooting common SQL errors, and verifying data in the H2 console. Finally, it shows how to update resources to retrieve data from the database instead of a static list.

What annotation is used to define a user as an entity in JPA?

• @Entity

• @Table

• @Column

• @PrimaryKey

Which property should be set to true to enable SQL logging in Spring Boot?

• spring.jpa.logging

• spring.logging.enable

• spring.sql.logging

• spring.jpa.show-sql

What is the purpose of enabling the H2 console in a Spring Boot application?

• To view and manage the in-memory database

• To monitor application performance

• To configure application security

• To view the application's source code

What common mistake should be avoided when writing SQL statements in a SQL file?

• Using semicolons at the end of statements

• Using comments in the SQL file

• Using uppercase keywords

• Using double quotes instead of single quotes

What should you do if you encounter an error stating 'column not found' in your SQL statement?

• Restart the database

• Check for syntax errors

• Ensure the column name is correct

• Reinstall the database

How can you access the H2 console in a Spring Boot application?

• By accessing the application properties file

• Through the command line

• By navigating to localhost/h2-console

• By navigating to localhost:8080

What is the next step after verifying data insertion in the H2 console?

• Update resources to retrieve data from the database

• Delete the existing database

• Modify the application properties

• Create a new database