由于到后端系统(如数据库)的连接通常在事务中获取，因此这时也启用对连接管理器的跟踪将很有用。
Since connections to backend systems (such as databases) are often enlisted in transactions, it is useful to enable tracing for the connection manager component also.
当启用了更新跟踪之后，首次成功连接到数据库之后更改将变得有效。
When update tracking is enabled, the change becomes effective when the first successful connection to the database is made.
连接泄漏检测：如果应用程序在使用数据库连接后未能将其正常释放，这种特殊的跟踪能帮助您辨识问题的原因。
Connection leak detection: Special trace that helps identify the culprits when database connections are not properly released after being used by an application.
否则，您可能会得到一个php堆栈跟踪，告诉您数据库连接失败或者insert语句不工作。
If not, you likely get a PHP stack trace, informing you that the database connection failed or the INSERT statement did not work.
清单6显示了利用AspectJ和JDBCAPI跟踪数据库连接的方面。
Listing 6 shows my aspect for tracking database connections using AspectJ and the JDBC API.
这样就可以跟踪连接数据库需要的时间(通常这实际是从池中得到连接所需要的时间)。
This lets me track the time required to connect to the database (often this is really the time required to get a connection from a pool).
活动统计与服务器、数据库、用户以及用户与数据库的连接相关，使管理员能够跟踪在系统中活动的用户。
The activity statistics relate to the server, databases, users, and connections of users to databases and enables administrators to track the users who are active on a system.
跟踪功能提供关于数据库连接的信息。
多出的一个本地SQLServer数据库的连接字符串设置，用于网格应用程序跟踪记录。
There's also a connection string setting for the local SQL Server database used for grid application tracking.
多出的一个本地SQLServer数据库的连接字符串设置，用于网格应用程序跟踪记录。
There's also a connection string setting for the local SQL Server database used for grid application tracking.
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