It's a lightweight tool that centralizes management of database connection pooling, accounting, and security.
这是一款轻量级工具，能够集中化对数据库连接池、财务和安全性的管理。
Similarly the application design can be tuned for performance: Fewer object creations, ongoing database refinements, and using database connection pooling.
同样地，应用程序设计也能调优性能：更少的对象创建、实时的数据库优化以及使用数据库连接池。
In the deep-request sequence (assuming a database connection is needed), these aspects of database connection pooling can be affected by allowing more threads.
在深请求序列中(假设需要数据库连接)，数据库连接池的这些方面可能会由于允许多个线程而受到影响。
Opening and closing connections is an expensive process affecting application or database performance and the use of connection pooling helps eliminate most of that overhead.
打开和关闭连接的过程开销较大，会影响到应用程序或数据库的性能，而使用连接池就可以消除大部分这样的开销。
No references to JDBC drivers, no server names, no user names or passwords — not even database pooling or connection management.
没有对JDBC驱动程序的引用，没有服务器名称，没有用户名称或口令——甚至没有数据库池或连接管理。
A data Source provides the connection properties to the underlying database along with connection pooling mechanisms.
数据源提供到基础数据库的连接属性，以及连接池机制。
Now I will look at what connection pooling facilities are currently available for database and non-database resource types in the J2EE environment.
现在看一下在J2EE环境中，数据库和非数据库资源类型当前可以使用哪些连接合用设施。
Consider this code example where an EJB accesses a database resource using JDBC 1.0, without connection pooling.
考虑一下代码示例，其中，EJB使用JDBC 1.0、不使用连接合用来访问数据库资源。
Documentation on connection pooling (see the Resources section later in this article) states that applications should briefly hold database connections while executing their transactions.
有关连接池的文档(请参阅参考资料)指出应用程序在执行它们的事务时应该短暂地维持数据库连接。
Because of the advantages of connection pooling, using data source objects is the preferred method of handling database connections in Web applications.
由于连接池有许多优点，所以在Web应用程序中偏爱使用数据源对象的方法来处理数据库连接。
Sequel provides thread safety, connection pooling and a concise DSL for constructing database queries and table schemas.
Sequel具有线程安全，连接池等特性，同时提供了简洁的DSL用来创建数据库查询以及表方案。
Connection pooling is the maintenance of a group of database connections for reuse by applications on an application server.
连接池是指维护一组数据库连接，以使应用程序服务器上的应用程序能够重用它们。
Connection pooling is the maintenance of a group of database connections for reuse by applications on an application server.
连接池是指维护一组数据库连接，以使应用程序服务器上的应用程序能够重用它们。
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