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1 vote
3 answers
3k views

Spring Boot JPA how to handle child table updates

I've come from a background in my previous role of doing all data persistence with all custom SQL and JDBC. Just started a new job for a small business where I'm the only developer and have decided to ...
mike8787's user avatar
1 vote
1 answer
2k views

Why can't I connect to database with JPA?

UserEntity: package model.entity; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax....
lukaszP's user avatar
  • 45
0 votes
1 answer
4k views

JPA retrieve objects from database

I'm triying to solve a Java programming exercise for the universisty, but I don't know how to solve the next problem. I have the next persistence.xml file: <?xml version="1.0" encoding="UTF-8"?&...
pez_betta's user avatar
10 votes
2 answers
15k views

Can an entity class work without having a definition for all columns of the table

I implemented database querying for a table using jpa. I have added a new column in database for the table and completed my coding. If after some time the deployment got reverted, consider I added a ...
kjkszpj's user avatar
  • 101