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A pool of database connections can be created and then shared among the applications that need to access the database.When an application needs database access, it requests a connection from the pool.Jakarta Tomcat the leading application server is also packaged with DBCP Datasource as the JNDI Datasource.The beauty of DBCP is that it can be used with so many applications or frameworks and it works with almost all databases in the market.I have written a number of articles under the series title: Answers to my Evolutionist Friends.Each one is very carefully written so you can use it in your evangelistic conversations or to forward to your friends, etc.
Also many articles on scientific subjects and thought provoking editorials!Good scientific evidence shows that the evolutionary theory does not have any real evidence to support it: from the hominid fossils, to the light and dark colored moths, to embryology, to dinosaur (dragon) remains that have been found.Educational and fun learning materials for children of all ages! Lots of dragon/dinosaur images, included for educational purposes.It is very inefficient for an application to create and close a database connection whenever it needs to send a read request or update request to the database.Connection Pooling is a technique designed to alleviate the above mentioned problem.
However, DBCP presents some challenges or concerns as well in spite of its popularity.