For every row that moves, there are two actions - insert and delete.

对于所移动的每一行，有两个动作—insert和delete。

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Notice the use of the index function within the at attribute of the insert and delete actions.

请注意insert和delete动作的at属性内index函数的使用。

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In real life, you would rarely want to drop an existing database but merely INSERT and DELETE from tables.

在现实生活中，您不太会drop现有的数据库，而只是从表中INSERT和DELETE。

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The names of methods for customizing insert and delete animations have also changed, so the same hooks can be used for rotations as well as for insertions and deletions.

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As for those shortcuts, you only need to remember three keys before you can consider yourself a master: Delete, Insert and the squiggly line that sits below the Esc. key.

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