For more information about primary keys, see Working with Keys.

有关主键的更多信息, 请参见使用键.

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Only tables with primary keys can be published in a transactional publication.

在事务性发布中只可以发布带有主键的表.

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Primary keys help speed up database operations such as querying, searching, and sorting.

主键有助于加快数据库操作,如查询, 搜索和排序.

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