Why do we need a Database Connection Pool? -every programmer must know

Hello everyone. In this article, we are going to look at Database connections and their life cycle. Then we will look at the Connection Pool, its internals, and why we need to use it. Then we will look at the design patterns on where to place the connection pool. We will then look at the performance issues that can arise from the Database connection pool and conclude the article by looking at the common connection pool frameworks used in Java. Let's get started.