您可以使用操作系统计数器来帮助理解数据库引擎外部的组件如何影响您的数据服务器。
You can use operating system counters to help you understand how components outside of the database engine affect your data server.
否则，如果两个线程试图同时执行增加，操作的不幸交叉将导致计数器只被实现了一次，而不是被实现两次。
Otherwise, if two threads tried to execute the increment simultaneously, an unlucky interleaving of operations would result in the counter being incremented only once, instead of twice.
这种类的例子可能是各种计数器操作、简单的计算等等。
The examples of such classes can be various counters operations, simple calculations, etc.
所有更新操作都必须包含从检索获得的修订计数器。
All update operations must include the revision counter obtained from the retrieval.
性能计数器指示操作系统、应用程序或者服务执行得有多好。
Performance counters indicate how well the operating system, an application or service is performing.
定期警报处理或阈值警报-基于您为许多操作系统和db2计数器、指标和比率定义的阈值的用户定义警报。
Periodic alert processing or threshold alerts - user-defined alerts that are based on thresholds that you define for many of the operating system and DB2 counters, metrics, and ratios.
这些计数器由表和索引分区中发生的各个DML操作实现值累加。
These counters are incremented by the respective DML operation occurring on the partition, both table and index partitions.
定期异常处理提醒（阈值提醒），基于操作系统和DB2性能计数器。
Periodic exception processing alerts (threshold alerts), which are based on operating system and DB2 performance counters
现在您可以了解如何通过扩展插件为本地数据库的records表提供简单的记录计数器来操作简单的Derby数据库。
Now you can find out how to manipulate a simple Derby database by extending the plug-in to provide a simple records counter for the records table of the local database.
所有检索操作均会返回包含修订计数器的数据项。
All retrieve operations return data items that include the revision counter.
更新操作实现必须对数据库记录进行限定的更新操作，如“如果修订计数器等于…则更新记录…”。
The update operation implementation must make a qualified update to the database record such as, "update record.".. where the the revision counter equals...
完成此任务后，对全局计数器进行递减操作（该计数器对活动事件处理程序实例进行计数）。
Once that’s done, decrement the global counter that counts the number of active event handler instances.
作为延迟装置的计数器，延迟时间内允许执行一个程序以外的操作。
A counter for inserting a deliberate time delay allowing an operation external to the program to occur.
因为本例中的写操作违反了使用volatile的第一个条件，因此不能使用volatile安全地实现计数器——您必须使用锁。
Because the writes in this case violate the first condition for using volatile, you cannot use volatile to safely implement the counter — you must use locking.
“延迟读取操作总数”是指自上次计数器复位后，所执行的延迟读取操作的总数。
Total late Reads is the total number of late read operations since the last time the counter was reset.
使一个计数器自动增量的设施或操作。
The facility or operation of automatically incrementing a count.
作为延迟装置的计数器，延迟时间内允许执行一个程序以外的操作。
Total Late Reads is the total number of late read operations since the last time the counter was reset.
该计数器完全受控于一个软件程序复杂但易于操作的外部PC。
The counter is completely controlled from an external PC with an easy-to-use, yet sophisticated software program.
时钟或者选通信号用于比较器、递增-递减计数器102和数模转换器100的同步操作，以便避免这些部件竞争。
A clock or a strobe signal is used to synchronise operation of the comparator, the up-down counter 102 and the digital to analog converter 100 so as to avoid these components racing.
在运算部件中，对乘、除、移位操作中的操作步进行计数所用的一种计数器。
A counter used in the arithmetical unit to count the steps in multiplication, division, and shift operation.
控制器：控制器是由程序计数器、指令存放器跟操作控制器等组成。
Control unit (controller) : control unit is composed of program arithmometer, instruction register and operation controller, ect.
设计高精度的相位计数器，实现测距数据智能化操作。
The phase counter is designed by using digital circuit, which can realize the intelligent processing of the data.
且该电子重量计数器内设置有承重盒，能避免物品的滚落，使用方便、操作简单。
Moreover, the weight-bearing box is arranged in the electronic weight counter, which can be avoid the article falling. The use is easy and the operation is simple.
本机适用裤耳、橡根、接链、魔术贴包边条等之切除，长短可根据要求通过计数器调整，全自动拉切，运转平稳，操作方便。
Size but the root According to require and change through counter, full-automatic to draw cutting, it is stable to operate, Easy to operate.
“延迟发送操作总数”是指自上次计数器复位后，所执行的延迟发送操作的总数。
Total late Sends is the total number of late send operations since the last time the counter was reset.
在某些系统中，处理机进入暂停状态，程序计数器的内容显示在控制台终端上，并且系统状态转为控制台操作方式。
In some systems, the processor goes into the halt mode. The contents of the PC are displayed on the console terminal and the console mode of operation is enabled.
在某些系统中，处理机进入暂停状态，程序计数器的内容显示在控制台终端上，并且系统状态转为控制台操作方式。
In some systems, the processor goes into the halt mode. The contents of the PC are displayed on the console terminal and the console mode of operation is enabled.
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