乐观的锁定,只当数据库发生更改时锁定记录。
Optimistic locking, where a record is locked only when changes are committed to the database.
更新期间锁定记录集中的记录的方式。
如果记录被锁定,那么只有能读取个人锁定记录的用户或人员才能看到此记录。
If a record is locked, only the user or people who can read personal locked records can see the record.
在“窗体”视图或“数据表”视图中,每条锁定记录在它的记录选定器中都有一个锁定指示器。
In Form view or Datasheet view, each locked record has a locked indicator in its record selector.
悲观的锁定,在编辑记录时将其锁定。
Pessimistic locking, where a record is locked while it is edited.
在这种情况下,锁定数据库记录有优点也有缺点。
Having the database records locked in this case is a good thing and a bad thing.
我们锁定目标,记录了整个列阵。
如述,此程序将监视当前的键入模式并在签名不同于keystroke. signatures文件中记录的内容时锁定屏幕。
As described, this program will monitor the current typing patterns and lock the screen when the signature differs from that recorded in the keystroke.signatures file.
另一方面,如果数据库是记录系统,那么您可以使用开放式锁定或ObjectGrid的内置SCN支持来检测和处理缓存中的过时数据。
On the other hand, if the database is the system of record, then you could use either optimistic locking or ObjectGrid’s built-in SCN support to detect and handle stale data in the cache.
上面的db 2 pd输出提供了被锁定的行的记录标识(rid)。
The db2pd output above provides the record identifier (RID) of the rows that are locked.
默认条件下,ClearQuest使用乐观的记录锁定。
一个FOR FETCHonly子句被添加到select语句,以避免记录锁定并利用SQL自动块操作的优势。
A FOR FETCH ONLY clause is added to the Select statement to avoid record locking and to take advantage of SQL automatic blocking.
假设在图3的步骤4和16之间发生故障。在那个范围内的某处,Database - 1记录可能被锁定不确定的时间。
Suppose a failure occurs between numbered steps 4 and 16 from Figure 3. Database-1 records remain locked somewhere in that span, perhaps for an indeterminate length of time.
如果需要更新地址信息,首先必须调用BAPI_EMPLOYEET_ENQUEUE锁定该雇员的HR记录。
When you want to update address information, you must first call BAPI_EMPLOYEET_ENQUEUE to lock the HR record for this employee.
消极记录锁定,它提供了避免发生多个用户同时编辑一条记录情况的手段。
Pessimistic record locking, which provides a way to prevent situations where multiple users can edit a record at the same time.
大多数病毒都附身于可执行文件,但有些也可以锁定主引导记录、自动运行脚本、微软Office宏文件、甚至某些情况下依附于任意文件。
Most viruses attach themselves to executable files, but some can target a master boot record, autorun scripts, ms Office macros, or even in some cases, arbitrary files.
该帐户的数据库记录是锁定的(取决于数据库管理系统,可能锁定多个余额)。
The database record (s) for that account is locked (depending on the database management system, more than just a single balance might be locked).
一组经过变更的SDO还会维护一条其原始值的记录,从而支持某种类型的乐观性锁定算法。
A collection of SDOs that has been altered also maintains a record of its original values, enabling certain sorts of optimistic locking algorithms.
前面提到,如果要修改雇员的地址数据,首先必须锁定该雇员的记录,修改数据然后再解除锁定。
Earlier, we mentioned that to be allowed to change employee address data, you must first lock the employee record, make the changes, and finally unlock the record.
斯皮策锁定这些年轻的恒星,记录下它们变化的方式的数据。
Spitzer is keeping tabs on the young stars,providing data on their changing ways.
安全改进,比如记录级别的锁定。
实现了数据库表的浏览,记录的添加、删除和修改,实现了多种条件查询,实现了会员锁定功能等。
The realization of a database table browsing, add record, delete, and modify, the conditions to achieve a variety of inquiries, a member function lock.
如果用户与数据进行交互,会使记录锁定相对长的时间,保守式并发并不是可伸缩的选项。
Pessimistic concurrency is not a scalable option when users are interacting with data and causing records to be locked for relatively large periods of time.
通过解除缓冲区的锁定并释放其内存,然后关闭记录、集合和数据库,来结束函数的运行。
Wrap up by unlocking the buffer and freeing its memory, closing the note, collection, and database.
流动显示图形采用相位锁定照相记录。
The location of vortex breakdown was recorded using phase locked photography technique.
对病因和治疗方法持有关键线索的那些96%的数据财富往往仍然锁定在医疗记录和医生的笔记之中。
The wealth of data from the other 96% which could hold vital clues to causes and treatments often remains locked away in medical records and doctors' notes.
可用的记录锁定种类。
这样,您将能够存档或删除这些记录,而不必锁定数据库的活动实例表中的数据。
This allows you to archive or delete these records without having to lock the data in the active instance tables of the database.
这样,您将能够存档或删除这些记录,而不必锁定数据库的活动实例表中的数据。
This allows you to archive or delete these records without having to lock the data in the active instance tables of the database.
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