Hibernate is a powerful open source object-relational mapping (ORM) tool. It works with a variety of databases, including MySQL, PostgreSQL, SQL Server, and Oracle. It allows developers to easily map objects to database tables and vice versa, and provides powerful tools for querying, updating, and managing data.
But does Hibernate use power? The answer is no, unless you mean the power of the underlying database. Hibernate is a tool that helps developers interact with a database, but it doesn't use any of its own power. Instead, all of the power used to query, update, and manage data comes from the database itself.
When you use Hibernate, you aren't using any extra power than what the database already provides. In other words, you aren't pushing the database to its limits. Instead, you're just taking advantage of what it already offers.
Hibernate can help you save time and effort when developing applications that need to interact with a database. For example, it can automate the mapping of objects to database tables, which saves you from having to manually write SQL statements. It can also help you generate the necessary SQL statements for querying data, and it can even help you manage multiple databases simultaneously.
However, even with Hibernate, you still need to be aware of the power of the underlying database. If you aren't careful, you can easily overload the database, which can cause serious performance issues. It's important to remember that Hibernate is only a tool, and it's not a replacement for a good understanding of the underlying database.
In short, Hibernate doesn't use power, but it can help you make the most of the power provided by the underlying database. It can save you time and effort when developing applications, but it's important to remember that the power of the database still needs to be respected.