After the first table has been scanned and placed in a hash table, the second table is scanned and each row in the table is looked up in the hash table to see if a join can be made.

在扫描完第一个表并将它放在哈希表中之后，就扫描第二个表，并在哈希表中查找该表中的每一行，看是否可以进行连接。

youdao

Fuel pellets can also be placed in the target site using conventional mechanical systems and these should easily be able to cope with the five mini-explosions a second needed to generate power.

燃料球也可以利用常规机械系统放在目标地点，那些系统应付发电需要的每秒五次的小型反应轻而易举。

youdao

He will also be crowned champion if second-placed Jenson Button of Britain fails to win every remaining race.

如果位居第二的英国巴顿在剩下的比赛中没有每场都赢，那维特尔也可以晋升冠军。

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Everton could also have a major say in who wins the title, with leaders Manchester United and second-placed Chelsea still to be faced.

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They will all be played from 13-24 June with the three group winners and best second placed side progressing to Lord's, where two semi-finals and the final will be played on 19 July.

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Their next match is at home to second-placed West Bromwich Albion on Saturday and Federici thinks the visitors will be out for revenge.

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