read lock信息详情
读取锁定,读锁
lock lock───锁定
lock───n.锁;车锁;(机器部件等的)锁定;前轮转向角度;船闸;一缕头发;(并列争球的)第二排前锋;(对某物的)完全控制;(摔跤及武术用语)抱,夹;(交通)堵塞;完全转向;枪栓;毛撮;n.(Lock)(美)洛克(人名);v.(用锁)锁上;被锁住;把……锁起来;(使)固定;陷入;被紧紧抓住(或抱住);加锁;过船闸
read───n.(Read)人名;(英)里德;n.阅读;读物;vi.读;读起来;adj.有学问的;vt.阅读;读懂,理解
child lock───儿童安全锁;儿童锁
num lock───数字锁定键;小键盘开关
lock away───把…锁起来;藏起来;将…锁藏起来
hard lock───硬锁
cill lock───锡尔洛克
machine lock───机器锁
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。
When a read lock exists, many read operations may use this lock.───当存在一个读锁时,很多读操作均可使用这个锁。
If you know that an entity bean will only ever be read and not updated, then this policy will simulate a read-only lock.───如果您清楚可以对实体bean随时进行读操作且实体bean不会更新,那么该策略可以模拟只读锁定。
With the read lock in place, any other transaction is still free to read that row, but none can delete or alter it.───放置了这个读锁定后,任何其他事务仍可以读取该行,但都不能删除或变更该行。
During insertion, the writer thread makes a read lock on the list and proceeds.───在插入期间,写线程在链表上建立读锁,然后继续处理。
It does so by placing a read lock on the target row.───方法是,在目标行上放置一个读锁定。