使用MySQL 复制提供扩展大型网站的能力,这些大型网站的数据库主要是读操作(SELECTs)。从机用于复制主机的销秏是很少的(通常每个从机1%的开销),在大型网站中每个主机部署30 个从机.
基于12个网页-相关网页
Sub-selects 子选择
CA Selects 化学文摘选辑 ; 化学文摘
Selects the current node 选择当前节
Selects from the root node 从根节进行选择
Selects the cheese 选择奶酪 ; 选择的奶酪
Sub- selects 子查询
"She selected a pair of shoes from among the dozen the salesgirl had shown her"
"select peaches"
同义词: blue-ribbon(a)
以上来源于: WordNet
V-T If you select something, you choose it from a number of things of the same kind. 挑选; 选择
Voters are selecting candidates for both U.S. Senate seats and for 52 congressional seats.
选民们正在选举美国参议院议席的候选人和52个众议院席位的候选人。
With a difficult tee shot, select a club which will keep you short of the trouble.
开球难度较大时,选择一根用起来能不给你添乱的高尔夫球杆。
V-T If you select a file or a piece of text on a computer screen, you click on it so that it is marked in a different colour, usually in order for you to give the computer an instruction relating to that file or piece of text. (在计算机屏幕上) 选定 (某文件或某段文章以作特别处理) [计算机]
I selected a file and pressed the delete key.
我选定了一份文件,然后按下了删除键。
ADJ A select group is a small group of some of the best people or things of their kind. 精选的 [ADJ n]
...a select group of French cheeses.
…一组精选的的法国奶酪。
ADJ If you describe something as select, you mean it has many desirable features, but is available only to people who have a lot of money or who belong to a high social class. 第一流的; 只为富人、上层人士而设的
Christian Lacroix is throwing a very lavish and very select party.
克里斯琴·拉克鲁瓦正在举行一个上层人士参加的非常豪华的聚会。
Haixia climbs to the tree top and with Wenqi's direction, selects the perfect branch.
海霞爬上树梢,在文琦的指引下,选择了那根完美的树枝。
He selects Noah due to his righteousness and he issues a direct command to build an ark.
他根据自己的正义选择了诺亚,并直接下令建造方舟。
AI looks at resumes in greater numbers than humans would be able to, and selects the more promising candidates.
比起人类,人工智能可以看更多的简历,并选择更有前途的候选人。
Sunday's election gave the LDP 119 out of the 480 seats up for grabs in Japan's lower house, which selects the country's prime minister.
VOA: standard.2009.08.31
He selects Noah due to his righteousness and he issues a direct command to build an ark.
诺亚因为品行高尚,所以被上帝选中,上帝命令诺亚建造方舟。
He has also got all of these things, but the thing that sets him apart, that makes him the special kind of hero he is, is his skill in speech which doesn't mean only that he pronounces words very well, or that he selects them very well for beauty or something.
他也拥上述的品质,然而,他与众不同,称之为特别的英雄的是他的说话技巧,这不仅是指他完美的发音,或是,他能很好地遣词用句,措辞优美,或其他什么
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