C3P0 for Connection Pooling

This section provides a quick introduction on C3P0, which is a popular open source JDBC database connection pool library developed by Steve Waldman.

C3P0 is a mature and highly concurrent JDBC Connection pooling library developed by Steve Waldman. It supports caching and reuse of Connections and PreparedStatements. Here is what I did to download C3P0 on my local computer.

1. Go to C3P0 sourceforge.net site at https://sourceforge.net/projects/c3p0/.

2. Click "Files > c3p0-bin > c3p0-" and download "c3p0-".

3. Unzip the download file to get the JAR file:

  501615 Dec 11  2019 c3p0-
    2723 Dec 11  2019 c3p0-oracle-thin-extras-
  630956 Dec 11  2019 mchange-commons-java-0.2.19.jar

According to the documentation, we have 2 options to create a connection pool with C3P0:

1. Using com.mchange.v2.c3p0.ComboPooledDataSource class, which implements the standard JDBC javax.sql.DataSource interface to manage the connection pool with JavaBean style properties.

2. Using com.mchange.v2.c3p0.DataSources class, which converts a unpooled DataSource to a pooled DataSource using PoolBackedDataSource with default configurations.

To use C3P0, for most JDBC operations, you only need c3p0- file and the JDBC drive JAR file for your specific database server.

Table of Contents

 About This Book

 JDBC (Java Database Connectivity) Introduction

 JDK (Java SE) Installation

 Oracle Express Edition Installation on Windows

 Oracle JDBC Drivers

 Oracle - Reference Implementation of JdbcRowSet

 Oracle - PreparedStatement

 Oracle - JBDC CallableStatement

 Oracle CLOB (Character Large Object) - TEXT

 Oracle BLOB (Binary Large Object) - BLOB

Using Connection Pool with JDBC

 What Is Database Connection Pool

 Commons DBCP for Connection Pooling

 Connection Pooling with Commons DBCP BasicDataSource

 Connection Pooling with Commons DBCP PoolingDriver

C3P0 for Connection Pooling

 Connection Pooling with C3P0 ComboPooledDataSource

 Connection Pooling with C3P0 DataSources

 Archived Tutorials


 Full Version in PDF/EPUB