I am learning Spring Data JPA and I am trying to build ManyToMany relation between class Account and class Authority (role). I also want to track the history of when the authority (role) has been revoked. Database will contain attributes like: assigned_at, revoked_at.

I am learning Spring Data JPA and I am trying to build ManyToMany relation between class Account and class Authority (role). I also want to track the history of when the authority (role) has been revoked. Database will contain attributes like: assigned_at, revoked_at.

I am learning Spring Data JPA and I am trying to build ManyToMany relation between class Account and class Authority (role). Apart from that, i want to track the history when the authority (role) has been revoked, so by database will contain attributes like: assigned_at, revoked_at.

So I removed this attribute called price from my entity class.
But when running my spring-boot server, it still think its still in the table.
My application.properties is configured as such: spring.jpa.hibernate.ddl-auto=update.
I can’t use create drop because I got some data in other tables I don’t want to re enter
I’d manually delete the column and then every now and then at random runs of my application the column comes back and I’d have to manually delete again, any idea why? and how to fix.

Trying to create Spring Data Query for Custom Repository. I couldn’t find the problem. How can I solve it?

I have 3 tables with 1:N relations, something like:

I have implemented a Spring Boot project:
ETLproject, the application name is ETLprojectApplication.

i am trying to write @DataJpaTest but i want to load just one repository and entity. However hibernate doesn’t create table for this entity.