What is a JDBC connection pool?
A JDBC connection pool is a group of reusable connections for a particular database. Because creating each new physical connection is time consuming, the server maintains a pool of available connections to increase performance. When an application requests a connection, it obtains one from the pool.
Does JDBC use connection pool?
Connection pooling means that connections are reused rather than created each time a connection is requested. To facilitate connection reuse, a memory cache of database connections, called a connection pool, is maintained by a connection pooling module as a layer on top of any standard JDBC driver product.
What is Tomcat connection pool?
Tomcat jdbc pool implements the ability retrieve a connection asynchronously, without adding additional threads to the library itself. Tomcat jdbc pool is a Tomcat module, it depends on Tomcat JULI, a simplified logging framework used in Tomcat. Retrieve the underlying connection using the javax. sql.
What is connection pooling in JDBC?
Understanding JDBC Connection Pooling. Connection pooling is a mechanism to create and maintain a collection of JDBC connection objects. The primary objective of maintaining the pool of connection object is to leverage re-usability. A new connection object is created only when there are no connection objects available to reuse.
How does JDBC connection actually work?
The JDBC connector makes a connection to the specified data sources during the connector initialization. While making a connection to the specified data source extra provider parameters are checked for, and set if they are specified. The auto-commit flag setting is also handled and set during connection initialization.
What is JDBC connector?
The JDBC ( Java Database Connectivity ) Connector is a program that enables various database s to be accessed by Java application server s that are run on the Java 2 Platform, Enterprise Edition ( J2EE) from Sun Microsystems . The JDBC Connector connects an application server with a JDBC driver.