jdbc

This is a very simple example demonstrating a method to achieve a reliable lock in a cluster when the cluster shares a database connection. This example uses an Oracle database which has the following table/row: <pre lang="sql"> create table locked(shortname varchar2(100) primary key, info varchar2(100)); insert into locked values('TestLock', ''); commit; <pre lang="java"> package com.mccsoft.diapason.util; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class TestLock implements Runnable{ static final String JDBC_DRIVER = "oracle....