What Is Database Connection Pool

This section provides a quick introduction on database connection pool, which is an object container managing a set of JDBC connection objects to be reused to avoid repeated connection opening and closing operations.

What Is Database Connection Pool? - A Database Connection Pool is an object container that manages a set of JDBC connection objects to be reused to avoid repeated connection opening and closing operations.

There two main situations where you should consider using JDBC pooled connections:

The JDBC API 3.0 and newer versions provide a general interface for connection pooling with 3 primary classes:

The actual implementation of the Connection Pool interface will be done by JDBC drivers or third party libraries.

Commonly used third party Connection Pool libraries are:

Commons DBCP - A JDBC database connection pool library developed by Apache See Commons DBCP Website at https://commons.apache.org/proper/commons-dbcp.

C3P0 - A mature and highly concurrent JDBC Connection pooling library developed by Steve Waldman. See C3P0 GitHub Website at https://github.com/swaldman/c3p0.

Table of Contents

 About This Book

 JDBC (Java Database Connectivity) Introduction

 JDK (Java SE) Installation

 Installing and Running Java DB - Derby

 Derby (Java DB) JDBC Driver

 Derby (Java DB) JDBC DataSource Objects

 Java DB (Derby) - DML Statements

 Java DB (Derby) - ResultSet Objects of Queries

 Java DB (Derby) - PreparedStatement

 MySQL Installation on Windows

 MySQL JDBC Driver (MySQL Connector/J)

 MySQL - PreparedStatement

 MySQL - Reference Implementation of JdbcRowSet

 MySQL - JBDC CallableStatement

 MySQL CLOB (Character Large Object) - TEXT

 MySQL BLOB (Binary Large Object) - BLOB

 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

 Microsoft SQL Server Express Edition

 Microsoft JDBC Driver for SQL Server

 Microsoft JDBC Driver - Query Statements and Result Sets

 Microsoft JDBC Driver - DatabaseMetaData Object

 Microsoft JDBC Driver - DDL Statements

 Microsoft JDBC Driver - DML Statements

 SQL Server - PreparedStatement

 SQL Server CLOB (Character Large Object) - TEXT

 SQL Server BLOB (Binary Large Object) - BLOB

 JDBC-ODBC Bridge Driver - sun.jdbc.odbc.JdbcOdbcDriver

 JDBC-ODBC Bridge Driver - Flat Text Files

 JDBC-ODBC Bridge Driver - MS Access

 JDBC-ODBC Bridge Driver - MS SQL Server

 Summary of JDBC Drivers and Database Servers

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

 References

 Full Version in PDF/EPUB