...时的行数据即id=1 还有一点需要说明的是在MVCC并发控制中,读操作可以分成两类:快照读 (snapshot read)与当前读 (current read)。快照读,读取的是记录的可见版本 (有可能是历史版本),不用加锁。
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read current [计] 读电流 ; 读出电流
CURRENT ADDRESS READ 现行地址读 ; 当前地址读
CURRENT MODE BLOCK READ 当前模式读取 ; 语句执行期间 ; 取数据期间
READ CURRENT PHONEBOOK ENTRIES 读当前的电话本条目
Current Late Read Rate 目前的最新读取速率
Current Investment Read more 目前投资额
Supply current in read mode 读模式供电电流
From read experience of forefathers, keeping an eye on current read instruction, applying to the theory of aesthetics of reception, the thesis poses the view of individualization read instruction.
本文从前人读书的经验出发,观照当前的阅读教学,运用接受美学的理论,提出了个性化阅读教学的观点。
Unlike the current study, Mar's study did not test people after having them read different types of fiction.
与目前的研究不同,Mar 的研究并没有让人们阅读不同类型的小说后对他们进行测试。
Most libraries offer browsing rooms where readers can relax on comfortable chairs and read current newspapers and magazines.
大多数图书馆提供浏览室,读者可以在舒适的椅子上放松,阅读当下的报纸和杂志。
Now, if the current is sent one way through the read/write head the area is polarized in one direction.
如果当前通过读写头来发送指向一个方向的信息,这个区域的磁极指向某个方向。
So as the particles on the disk that get the current in the read/write head moving put together millions of these magnetized segments and you've got a file.
通过读写头你就可以得到每个粒子的极性,如果把这些上百万粒子的信息,汇聚要一起就够成了一个文件。
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