I would like to discuss about how Google Meet ID generated. As we may know, the best approach to generate a unique, non-iterable ID maybe using UUID. However, Google Meet use a totally different ap...

We run into a problem when updating to Spring Boot 2.2 and the associated Hibernate 5.4.x. We do have the following sequence generator @Id @GeneratedValue(strategy = GenerationType.SEQUENCE, gene...

For Spring Data JPA, I can use @GeneratedValue(strategy = GenerationType.AUTO) to insert a record with a custom id, but for Spring Data JDBC, how do I insert a record with custom id? I hav tried to...

I'm reading this: https://instagram-engineering.com/sharding-ids-at-instagram-1cf5a71e5a5c In in the last section "Solution", where they are generating a globally unique ID based on the DB's autoi...

If I want to know the (random) ID of a document before saving it to Firestore (without writing custom code), I can do the following: String id = db.collection("collection-name").document().getId()...

I was going through Id generation section of the Hibernate reference guide and "java persistence with Hibernate" There are quite a few options available with Hibernate and JPA combined. I was loo...

I created an Oracle sequence: Create sequence seq_acteurs start with 1 increment by 1; Normally the sequence must be incremented by 1, but when insert into Acteurs table, the sequence s incremen...

I have configured hibernate to use oracle sequence. Sequence is created with cache=20, increment=1. All works fine, hibernate persisting entities. The id value is strange: 50,51....76,201,202...20...

I have this part of hibernate mapping xml file, and I was looking for a good example for what does native mean. <hibernate-mapping> <class name="com.hib.Task" table="tasks"> <id n...

I need to insert many entities into the database via Hibernate. So, I want to find the most effective algorithm for Id generation. Accordingly Hibernate Documentation exists four widely used gener...

I have a hibernate entity with an ID configured as @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; The creation of new elements works ok in the first run. But if I restart my ...

Anyone know of some good tutorials on how to create a custom ID generator for hibernate?

I am using a plugin for Grails - the Amazon S3 plugin - and the domain object provided by the plugin doesn't specify the Id Generator. I am using Postgresql and require the id genrator to be identi...