Similarly In the database recovery scenario, a user or application might accidentally delete a table.
同样，在数据库恢复场景中，用户或应用程序可能会意外地删除某个表格。
Apple has admitted that its latest operating system harbours a bug that can accidentally delete data belonging to the computer's owner.
苹果公司承认其最新的操作系统存在一个漏洞，可能意外地删除电脑用户的数据。
Referential integrity is a system of rules that ensure relationships between rows in related tables are valid and that you do not accidentally delete or change related data.
引用完整性是一种规则体系，这些规则可确保相关表中各行间关系的有效性，并确保不会意外删除或更改相关的数据。
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