read operation

Before an RPG program updates a row accessed by a key it must perform a read operation to lock the row for update intent.

RPG程序更新通过键访问的行之前，必须执行一个读操作，以便锁定该行，进行更新。

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Furthermore, any read operation performed from a method invoked by the processTrade() method might also hold a lock in the database.

此外，在由processTrade（）方法调用的方法中执行的任何读取操作也可以在数据库中保持一个锁。

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Please do read the Cautions, for fear that unwanted results arise from improper operation.

请务必阅读注意事项, 以免不当使用导致不良后果.

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Weak/ eventual consistency happens when not all data replicas participate in the update operation and/ or contacted as part of read operation.

只有部分数据副本参与更新操作，且/或作为读操作的一部分与其它副本进行联系时，就会出现弱/最终一致性。

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The second CRUD operation is read: The code simply needs to read widget records from the database.

第二个CRUD操作是读取，代码的作用是从数据库中读取小部件的记录。

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This happens because the first read operation read the whole file.

这是因为第一个read操作读入了整个文件。

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A single random read operation is about a hundred times faster than the same operation using the latest available disk drives on the market today.

单个随机读取操作的速度比使用当今市场上提供的最新硬盘驱动器执行相同操作要快100倍左右。

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Because it involves the read operation from the hard disk and a large number of combined operations, so the computation times will be very long.

因为涉及磁盘的读操作及大量的合并操作，使运算时间增加好几个数量级。

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A disk error has occurred during a read operation.

读操作期间发生了磁盘错误。

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After a successful update operation, the controller should redirect to a URL that does a read operation.

在成功更新后，控制器应该重定向到执行“读操作”的URL。

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In a read operation, coordinator directly accesses data, and decoding is only needed when node fails and data loss.

读操作中协调者可以直接访问保存信息数据的节点，只是节点故障时才需要译码恢复数据。

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And discussed through I C bus and EEPROM read and write operation to achieve the parameters' preservation and read.

而且讨论了如何通过I~2C总线与EEPROM进行读写操作进而实现参数的保存和读取。

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The system is divided into CAD data read operation modules, water supply module, drainage modules, data aggregation module, software module sets of prices and economic evaluation module.

本系统在设计上分为CAD数据读取操作模块、给水模块、排水模块、数据汇总模块、软件套价模块和经济评价模块。

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More specifically, a Read operation is a series of protocol operations

尤其需要注意的是，Read操作是由一系列协议操作组成的

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As for the database read operation, we use of an array bound read methods; as for database write operations, we use a direct path load method.

对于数据库读取操作，采用数组预先绑定的方法；对于数据库写入操作采用直接路径加载方法。

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The following figure shows a read operation on a newly created snapshot, whose sparse file accordingly contains no pages.

下图显示了对新创建的快照（因此其稀疏文件不包含页）的读操作。

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So compare with the traditional DBMS, it pays more to the performance of read operation.

因此，与数据库管理系统相比较，数据仓库系统更偏重于读操作的性能。

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When information resulting from a read operation doesn't come from the preferred source, you may need to add the information to the preferred source.

当读取操作的结果信息不是来自首选源时，您可能需要将该信息添加到首选源。

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CRUD operations in SPARQL are typically a bit more shrouded in mystery than the read operation.

SPARQL中的CRUD操作通常比read操作更神秘。

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Hence, for write operation maximum data rate should be considered and for read operation minimum data rate should be considered.

因此我们应该考虑最大写速率和最小读速率。

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Used to indicate that a read operation was done on an empty pipe.

用以表示已运行空管道中的读取操作。

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One for the read operation and another for the write should do the trick.

一个锁用于读取操作，另一个用于写操作。

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In the optimization of update transaction, we added a function to the read operation of active transaction to check whether there existed an uncommited data version.

在对更新事务的优化中，将更新事务细分为普通事务和主动事务。对主动事务的读操作加入了检测是否存在未提交数据版本的函数。

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First up is the simple read operation.

首先是简单的read操作。

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During a READ operation, When this command is issued, data outputs are disabled and become high impedance after two clock delay.

在读操作中，如果发出了这个指令，那么两个时钟周期后，读出数据无效，数据总线进入高阻状态。

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Average num rows read per data file read operation.

每次数据文件读取操作的平均数字行数.

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It controls how many pages the system reads ahead for any read operation.

它控制系统对于任何读操作所能预先读取的页数。

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Finally, the read operation maps to SYSLOG_ACTION_READ to consume the available log messages.

最后，read操作会被映射到SYSLOG ACTION READ，以处理可用的日志消息。

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With optimistic concurrency control, the database manager releases the row or page locks immediately after a read operation.

通过实现乐观并发控制，数据库管理器可以在完成读操作后立即释放行或页锁。

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Data Prefetching Technique of Nonlinear Memory Access Effective prefetching can reduce average response time of read operation and improve the throughput of RAID.

在RAID（廉价冗余磁盘阵列）系统中采用有效的预取技术可以缩短主机读请求的平均响应时间，提高磁盘阵列的数据吞吐率。

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