A delete operation could remove a record from a parent table, leaving records in an associated child table that no longer have a matching record in the parent table.
一个删除操作可以从一个父表中删除一条记录，使得相关子表中的记录在父表中没有与之匹配的记录。
ON DELETE CASCADE—When a record is deleted from the parent table, all records in the child table with matching foreign key values are also deleted.
ON DELETECASCADE —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全部被删除。
Internally to the library, all DataObjects in a graph are referenced by their parent and are maintained until detached from the data graph, so you don't need to delete DataObjects.
在该库内部，图中的所有数据对象都由其父项引用，并将保持到从数据图断开为止，因此并不需要删除数据对象。
Where the two definitions differ can be seen when an attempt is made to delete rows from multiple parent tables that are referenced by a single child.
当试图从单个子表引用的多个子表中删除行时，就可以看出这两个定义的不同。
Since you cannot actually delete a logger instance, you can disable it by setting its level to either OFF, or better yet, to the level of its next matching parent logger.
由于您无法实际删除logger实例，您可以禁用它，只需将其级别设置为OFF，或者设置为其下一个匹配父logger的级别。
The delete rule controls how delete operations performed against a parent table in an RI relationship are processed.
Delete规则控制对RI关系中父表执行的删除操作的处理方法。
Objects that you delete in the child Workspace are only flagged in that Workspace as not being available (that is, deleted); however, the object still exists in its parent Workspace.
您在子工作区中所删除的对象，只能在不能得到的该工作区中(就是说，删除了)标记；但是，对象仍然存在于它的上级工作区中。
In that sense, deleting the parent requirement will automatically delete all the embedded ones.
在某种意义上说，删除父需求将会自动删除所有嵌入其中的需求。
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 DELETESETNULL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。
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ONDELETECASCADE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。
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？
To delete or rename a file, you must have either delete permission on the file, or delete child permission in the parent directory.
欲删除或重命名一个文件，你必须具有文件的删除权限以及父文件夹的子操作权限。
Unable to delete folder. The folder or parent folder may be marked as read-only.
无法删除文件夹，该文件夹或父文件夹可能被标记为只读。
I have a table structure with partitioned tables, where a few child tables inherit from a common parent. How so I DELETE only from the parent table?
我与分区表有一个表的结构，其中一些孩子继承了一个共同的父表。我怎么DELETE只有从父表？
I have a table structure with partitioned tables, where a few child tables inherit from a common parent. How so I DELETE only from the parent table?
我与分区表有一个表的结构，其中一些孩子继承了一个共同的父表。我怎么DELETE只有从父表？
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