Explain the general flow of hibernate communication with rdbms.
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Answer Posted / Nitish Kapoor
The general flow of Hibernate communication with RDBMS (Relational Database Management System) involves the following steps:
1. Configuration: Configure the Hibernate session factory by providing necessary details like database URL, username, password, dialect etc.
2. Session creation: Create a new Hibernate session object from the configured session factory.
3. Transaction management: Start a transaction within the session if needed.
4. Object persistence: Map Java objects to database tables using Hibernate mapping files or annotations and save them in the database by calling session's save() method.
5. Query execution: Execute queries on the database using Hibernate Query Language (HQL) or SQL, and retrieve results as Java objects.
6. Transaction commit/rollback: Commit the transaction if everything is successful or roll back in case of an exception.
7. Session close: Close the session when it's no longer needed.
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