Record is deleted的意思|示意

Content of the current record is deleted.

从资料来源还原目前资料录的内容。

When an ON delete CASCADE rule is active, all records in the child table with matching foreign key values are deleted when a record is deleted from the parent table.

当ON DELETE CASCADE规则被激活时，当一条记录从父表中删除时，子表中的所有记录以及匹配的外键值都被删除。

Both values are updated whenever a record is added, replaced, or deleted.

在添加、替换或删除一个记录时，这两个值都会被更新。

How to delete all child records when parent record is deleted?

如何删除所有子记录的父记录被删除时？

These messages allow the database to record that a file is believed to be about to be deleted, so creation messages for it don't generate errors.

这些消息允许数据库记录被认为即将删除的文件，因此该文件的创建消息不会产生错误。

When ON delete set NULL is active, when a record is deleted from the parent table, all records in the child table with matching foreign key values are set to NULL.

当ON DELETE SET NULL规则被激活时，如果一条记录从父表中删除，子表中的所有记录以及匹配的外键值都被设置为NULL。