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.

The key difference between the above code (using JDBC 2.0) and using JDBC 1.0 is that a getConnection() gets an already open connection from the pool, and close() simply releases the connection ...

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 ...