Get an overview of JDBC's architecture, then learn how to connect to a database and handle SQL queries and responses with PreparedStatements, transactions, connection pooling, and more.

Why pool resource connections? Consider the following code example where an EJB accesses a database resource using JDBC 1.0, without connection pooling: ...

A JDBC connection pool is the answer. A connection pool will create a collection of JDBC connections, and dole those connections out to your program any time there's a need to interact with the ...