For example, information about configuring your instance, databases, and database connections.
例如，关于配置示例、数据库和数据库连接的信息。
In addition, there are some dialog boxes that combine the list of database references and database connections.
此外，有些对话方块也结合了资料库参考和资料库连接的清单。
It focuses on the origins of the languages, differences in syntax, learning curves of each language, database connections for each, and other USES for each language.
它将集中讨论语言的起源、语法中的差异、每种语言的学习曲线、每种语言的数据库连接以及每种语言的其他用法。
They are a common pattern used for global objects in an application, such as database connections and configuration Settings.
它们是应用程序中用于全局对象的一种常见模式，如数据库连接和配置设置。
Finally, disk access speed impacts the number of database connections and the speed of database and view openings.
最后，磁盘访问速度影响数据库连接的数量和打开数据库和视图的速度。
It includes things such as number of connections to the database, memory allocation, and coexistence with other, often unrelated systems.
它包括了数据库连接数量，内存分配，以及相互共存，通常是不相关系统之间的共存问题。
The constraining factors for performance are the number of concurrent database connections and available memory (both RAM and disk) in relation to incoming data volume.
性能的限制因素是关于进入的数据量的并发数据库连接的数量和可用内存(RAM和磁盘)。
It establishes database connections directly to perform database operations such as data updates and result set retrieval.
它直接建立数据库连接来执行数据库操作，如数据更新和结果集检索。
SQLJ can perform syntactic and semantic checking on the code, using database connections at compile time.
SQLJ可以通过在编译时使用数据库连接，对代码执行语法和语义上的检查。
You will always require the server name, port, user ID, password, and database name to create connections.
始终要求填写服务器名称、端口、用户ID、密码和数据库名称才能创建连接。
Connection configuration-a set of required property values used to create database connections, including the database version, database vendor, port number, and host name.
连接配置——用来创建数据库连接的一组必需的属性值，包括数据库版本、数据库厂商、端口号和主机名。
This is because some databases are configured to kill long idle connections and a network or database related exception may also kill a connection.
这是因为一些数据库被配置为会杀掉长时间空闲的连接，网络或数据库相关的异常也可能会杀死连接。
When adding data connections, you can add local and remote database connections.
在添加数据连接时，您可以添加本地和远程数据库连接。
Memory impacts the number of client connections and the size of the buffer pool and database cache allocated by the server.
内存影响客户端连接的数量、缓冲池的大小，以及服务器分配的数据库缓存的大小。
They define and use the data manipulation layer metadata, such as various database locations, schemas, rules, connections, user IDs and passwords, and so on.
这些服务定义并使用数据操作层元数据，例如各个数据库位置、模式、规则、连接、用户ID和密码等等。
Like local database connections, you can connect and disconnect from a configuration repository.
与本地数据库连接一样，可以连接配置存储库和中断连接。
Implement connection pools to the database and reuse connection objects, rather than repeatedly opening and closing connections.
实现数据库连接池，重用连接对象，而不是重复地打开和关闭连接。
Any user that connects to the repository has access to the connection groups and to the connection configurations for creating database connections.
连接存储库的任何用户都能够通过访问连接组和连接配置创建数据库连接。
As with all database interaction, we need to set up our database connections and get our data out.
至于所有数据库交互，我们需要设置数据库连接并提取数据。
Whether or not it is embedded, the database engine supports multiple simultaneous connections and access from multiple application threads.
无论是否嵌入，该数据库引擎都支持同时进行多个连接，并支持从多个应用程序线程进行访问。
You can now validate the syntax in scripts with multiple database parsers, and run scripts serially against multiple database connections.
您现在可以使用多个数据库解析器来验证脚本语法，然后依次在多个数据库连接中执行脚本。
For example, we have two database connections right now, and we can choose between them using the SET connection command (see Listing 2).
例如，我们现在有两个数据库连接，我们可以使用SETCONNECTION命令在它们之间进行选择(参见清单2)。
It minimizes the amount of database connections, thus improving overall database performance and throughput.
减少数据库连接的数量，提高了数据库的整体性能和吞吐量。
The test runs quickly. There is no dependence upon actual database and network connections.
测试可以快速运行，不需要依赖真实的数据库，也不需要网络连接。
Other resources, such as semaphores, network handles, database connections, and so on, deserve the same consideration.
其他资源（如信号量、网络句柄、数据库连接等）同样值得考虑。
Resources like Database and Security connections can cause deploy and runtime issues.
诸如数据库和安全连接等资源可能导致部署和运行时问题。
You can no longer rely on the database to manage the connections and commit the work.
您不再依赖数据库来管理连接和提交工作。
Consideration must also be made in regard to the number of active and concurrent database connections.
还必须考虑活动和并发数据库连接的数量。
You can see from Figure 1 that acquiring and releasing database connections via the database manager, using JDBC 1.0, will impact the performance on the EJB layer.
从图1可以看出，使用JDBC 1.0通过数据库管理器获取和释放数据库连接将影响ejb层的性能。
To set the default data base connection, select SQL Database Connections and check the selections as shown in Figure 4.
要设置缺省数据库连接，请选择SQLDatabase Connections并检查如图4所示的选择。
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