第二个方法演示了使用池态数据库连接直接访问数据库。
The second method demonstrates accessing the database directly using a pooled database connection.
态数据挖掘可以定义为在大量时态数据集合中寻找有趣联系或模式的研究。
Temporal data mining can be defined as the search for interesting correlations or patterns in large sets of temporal data.
必须先在服务器环境中创建和配置了数据源，企业bean才可以访问池态数据库连接。
Before an enterprise bean can access a pooled database connection, a datasource must have been created and configured in the server environment.
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