Apache Pulsar is an all-in-one messaging and streaming platform. Messages can be consumed and acknowledged individually or consumed as streams with less than 10ms of latency. Its layered architecture allows rapid scaling across hundreds of nodes, without data reshuffling.
Its features include multi-tenancy with resource separation and access control, geo-replication across regions, tiered storage and support for six official client languages. It supports up to one million unique topics and is designed to simplify your application architecture.
What is the StatelessSession in Hibernate 7 and when should you use it?
What are the new FindOptions in Jakarta Persistence 3.2 and Hibernate 7?
How does Hibernate 7 handle primary key generation strategies?
How do you map one-to-many and many-to-one relationships in Hibernate 7?
How does @Embeddable and @Embedded mapping work in Hibernate 7?
How do you configure Hibernate 7 with Maven?
What is the Session in Hibernate 7 and what are its core CRUD operations?
What is JPQL vs HQL in Hibernate 7?
What is the second-level cache in Hibernate 7 and how does it work with StatelessSession?
What are lazy and eager fetching in Hibernate 7 and how do you avoid the N+1 problem?
What is an entity in Hibernate 7 and how do you define one?
What is Hibernate 7 and when was it released?
What is ORM and why is Hibernate used instead of writing raw JDBC?
What are entity states in Hibernate 7 and how do they transition?
What is the biggest breaking change in Hibernate 7: detached entity reassociation removal?
What is the Hibernate SessionFactory and how do you create one?
What is HQL (Hibernate Query Language) in Hibernate 7?
What is the first-level cache (persistence context) in Hibernate 7?
What is optimistic locking in Hibernate 7 and how do you implement it?
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