Category "relational-database"

MantToMany - Cannot add or update a child row: a foreign key constraint fails

I am trying to create Many to Many relationship and save some data to database. I have entities: @Data @AllArgsConstructor @NoArgsConstructor @Entity public cla

How can I create a partitioned table in EF Core?

Let's say I have an object like this: public class ObjectA { public int Id {get;set;} public DateTime CreatedOn {get;set;} ...etc } I want to partitio

cant create a database in DBeaver

im just starting using databases and I'm working with PostgreSQL using Dbeaver. When I want to create database,i need to create a new connection ,so I select Po