如何只删除实体保存到存储核心数据？
类 EntityManager用于检索，支持，更新以及删除实体。
The EntityManager class is used to retrieve, persist, update, and delete entities.
当然业务逻辑建立在创建、读取、更改以及删除实体所代表的数据的基础之上。
Certainly the business logic is based on creating, reading, updating, and deleting the data represented by the entities.
净1.0/2.0在我使用数据集，而不是调用基本添加/更新/删除实体功能与较新的版本。
NET 1.0/2.0 where in i use datasets and not call basic add/update/delete entity function unlike in the newer releases.
现在我已经定义并注释了域模型，我将向您展示如何使用Morphia 的Datastore 以便保存、加载和删除实体。
Now that I've defined and annotated the domain model, I'll show you how to use Morphia's Datastore to save, load, and delete entities.
这种机制（超出了这个模式范围）将周期性地运行，以删除那些不应该从备用源迁移到首选源的实体记录。
The mechanism (out of scope for this pattern) would run periodically to remove entity records that shouldn't be migrated from an alternate source to the preferred source.
向应用程序发送业务对象作为请求，让应用程序生成、删除或更新一个指定实体。
Sending a business object as a request to an application so that the application creates, deletes, or updates a specified entity.
它们使用JPA实体装入并抽象出所有的，您的数据库中用于创建，更新，删除以及显示信息的数据访问代码。
They encapsulate and abstract all of the data access code for creating, updating, deleting, and displaying information from your database, using JPA entities.
通过将ANDDELETE附加到前面的命令，您还可以删除备份副本的实体。
By appending and delete to the previous command, you can also physically delete the backup copies.
安全标签组件是一个新的数据库实体，可以被创建、删除和修改。
A security label component is a new database entity that can be created, dropped, and altered.
您不能删除逻辑模型中的实体。
控制器将访问其他服务或通过其创建、读取、更新和删除 (CRUD)操作访问后端实体，从而实现服务业务逻辑。
The controller implements the service business logic by accessing other services or accessing backend entities via their create, read, update and delete (CRUD) operations
目前所创建的web应用程序已经可以运行，我们可以通过创建、读取、更新和删除Speaker和Talk实体来手工测试。
The web application we have created so far works, and we can test it manually by creating, reading, updating, and deleting the Speaker and Talk entities.
remove：从数据库删除指定的实体。
如果在创建、更新或者删除一个实体bean时发生错误，那么可以还原到数据库的前一状态并且通知用户存在问题。
If an error occurs while creating, updating, or deleting an entity bean, the previous state of the database can be restored, and the user can be notified that there was a problem.
添加，删除，编辑实体；改变属性；联合(assocaiations)；继承(Inheritance)。
Add, Delete, and Edit Entities; Scalar properties; Associations; and inheritance.
例如，假设需要能够添加、删除、搜索和更新“customer ”业务实体的业务任务。
For example, assume you need business tasks that enable add, delete, find, and update of a "customer" business entity.
在工作流中有不止一个实体bean需要被客户机更新、删除或者查询。
There is more than one entity bean that needs to be updated, deleted, or queried by a client in a workflow.
rmlv命令仅删除逻辑卷，但不删除其他实体，例如使用该逻辑卷的文件系统或分页空间。
The RMLV command removes only the logical volume, but does not remove other entities, such as file systems or paging Spaces that were using the logical volume.
该实用程序绝不会删除备份数据集的实体。
This utility by no means would physically delete the backup datasets.
其他操作(比如删除模型中的给定实体或者从模型中获取某一实体的所有实例)在DAO中是相似的，在不同实体之间也是相似的。
Other similar operations such as deleting a given entity in the model or retrieving all of the instances of an entity from the model are common in a DAO and are also similar from entity to entity.
你必须创建一个新对象的子实体和删除前面的对象。
You have to create a new object of the child entity and delete the previous object.
使用EntityManager实例使我能够通过remove函数删除一些实体，如清单14所示。
Using an EntityManager instance enables me to delete entities via the remove method, shown in Listing 14.
在实体间添加以及删除关系。
比如，我们可以调用AddEventRestiction以便审计查询只返回特定类型的审计实体，如只返回更新或删除操作相关的审计实体。
You can call AddEventRestriction so that the audit query returns only certain types of audit entries such as updates and delete.
Delete：这个方法有两个重载方法，第一个方法删除一个实体，第二个方法删除一个序列的实体。
Delete : This method has two overloads. The first deletes a single object passed into it.
从模型删除属性的成本优势，而不更新现有的实体？
Cost advantage of removing a property from a model, without updating existing entities?
创建、添加、修改和删除对象(实体框架)。
Creating, Adding, Modifying, and Deleting Objects (Entity Framework).
只作试看之用请于下载后24小时内删除。若喜欢此漫画请购买实体书。
This comic is only for preview purpose. Please delete it after 24 hours or purchase it.
除此之外，我想保存行为催生了函数，当实体，它将参与这一行为就被删除。
In addition to this, I want to save a behavior function so that when the entity is spawned, it will engage in that behavior as soon as it is dropped into the world.
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