With 232 communication, selection range automatically, data lock, data display, operating easy and so on.
具备232通讯、自动选择量程、数据锁定、数字显示、易操作等功能。
The synchronization and data lock in distribute enviroment, and long transaction and concurrency in multi-thread enviroment are not our concerns in this article.
本文不涉及分布式计算情况下的数据同步、数据锁、多线程下对象状态同步和超长事务等问题。
This uses only one lock and keeps others from interfering with the updates, but it does reduce concurrency of the data to other users.
这只使用了一把锁从而防止其它事务妨碍这些更新,但是对于其他用户它的确减少了数据并发性。
We are now ready to export the data from the NEWSTAFF table, and to simultaneously capture a database lock snapshot.
现在我们已经准备就绪,可以从newstaff表导出数据,并同步捕获数据库锁快照了。
When a request comes from a user to dump the data, each thread takes a lock and dumps it to a central place.
当收到来自用户的转储数据的请求时,每个线程获得一个锁,并将其转储到中心位置。
My guess is that it is implemented very conservatively and disabled early based on various conditions like lock object data size and OS specific features.
我猜测这是由于它的实现比较保守,根据不同条件(比如锁对象数据大小和其他OS特定的特性)及早地关掉了它。
The container will load the data with the weakest lock available for the targeted database.
容器将用能被目标数据库接受的最低级锁定来装载数据。
Since the lock is acquired only while flushing data to disk, performance is not extensively affected.
因为仅在将数据刷新到磁盘时获得锁,所以性能并不会受到很大的影响。
The data protected by these locks is needed constantly by many threads, and you can expect that when you go to acquire this lock, you may have to wait until someone else is done with it.
不断地会有许多线程需要这些锁保护的数据,所以可以想象,当要取得这个锁的时候,可能不得不等候其他人用完它。
When a table holds a Z lock, no concurrent application can read or update data in that table.
当表持有z锁时,任何并发应用程序都不能读取和更新该表中的数据。
At this time, an exclusive seize is acquired by the DB2 engine to synchronously move the data, so while a lock time-out will not occur, other jobs will wait for the move to complete.
这一次,DB 2引擎获得一个互斥捕捉,用于同步地移动数据,因此当锁超时没有发生时,其他任务将等待数据移动的完成。
Mode: Specifies the type of access allowed for the lock owner as well as the type of access permitted for concurrent users of the locked data resource.
方式:指定了锁的拥有者所允许的访问类型,以及对锁定数据资源的并发用户许可的访问类型。
The exclusive access lock on the queue manager data and logs is released, and the standby queue manager takes over.
队列管理器数据和日志上的独占访问权锁释放,备用队列管理器接管。
When a table holds an IX lock, the lock owner and concurrent applications can read and update data in that table.
当表持有IX锁时,锁拥有者和并发应用程序可以读和更新该表中的数据。
Optimistic locking is an extremely efficient concurrency control method that guarantees data integrity without placing any physical lock in the database.
乐观锁是一个极其有效的并发性控制方法,它可以确保数据完整性而又无需在数据库中放置任何物理锁。
Since pessimistic session locks can be removed as described above, the application that obtained the lock should always check to see if it is still in force before updating data.
如上所述,由于可以删除悲观会话锁,因此获得锁的应用程序始终需要在更新数据之前检测锁是否有效。
If the collected lock event data should not be kept for further analysis purposes, the unformatted event table must be dropped manually using the drop table statement, as shown in Listing 22.
如果不需要保留所收集的锁事件数据用作将来的分析,必须使用DROPtable语句手动删除非格式化事件表,如清单22所示。
The days when software vendors could lock up users' data with nary a peep from their customers are over.
软件厂商看都不看一眼客户而将其数据锁起来的日子一去不复返了。
It holds a lock on the queue manager data to ensure that there is only one active instance of the queue manager.
它可以锁定队列管理器数据,确保队列管理器中只有一个活动实例。
In some scenarios, a longer term "logical lock" may need to be held to prevent changes to data that is presently being worked on by a user.
在某些场景中,可能需要长时间的“逻辑锁”以防止对某个用户正在使用的数据进行更改。
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.
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。
Finally I came to recognize that there seems to be some relation between the enabling of lock elision and the data size of the locked object.
最后,我认识到激活锁省略似乎和被锁对象的数据大小有关系。
Instead, they want to lock customers into their clouds, and offer additional services, such as various types of data storage, to that end.
反之,他们想提供诸如各类数据存储的其他业务,为此,要把顾客牢牢关在自己的云里。
The s lock allows concurrent applications that use read-only queries to access the target table, but applications attempting to write data to the table are prevented from doing so.
s锁允许使用只读查询的并发应用程序访问目标表,但是防止应用程序写数据到表中。
The normal behaviour of a database access is to get a read lock on the queried data, which gets transformed into an update lock if data is updated.
数据库访问通常会对被查询的数据进行读锁定,在数据更新后会变成更新锁定。
No locks will be included; this kind of lock-free, concurrent data structure is also referred to as a non-blocking data structure.
这个堆栈没有锁;这种无锁的并发数据结构也称为非阻塞数据结构。
Lock-free data structures and algorithms.
无锁(lock - free)数据结构和算法。
A new type of lock called seqlock has been introduced for locking a small section of data (no Pointers) that is frequently accessed.
引入了一个叫做seqlock的新类型的锁,用于锁定小段的经常被访问的数据(不是指针)。
The functionality of LockManager is to lock a particular data for a thread in a process across all Replicators.
LockManager的功能是在所有Replicator上为进程的某个线程锁定一个特定数据。
To format the data about the deadlock event that the lock event monitor collects and write it to a plain text file, call the db2evmonfmt utility again.
为了格式化锁事件监控器收集的死锁事件数据,并将其写到普通文本文件中,再次调用db 2evmonfmt工具。
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