ECO can use any relational database to persist objects, but it is especially well-suited to IBM DB2 UDB.
ECO可以使用任何关系数据库来存储对象,但特别适合使用IBMDB 2UDB。
Through the use of a special object called the entity manager, applications can query or persist objects.
通过使用称为实体管理器的特殊对象,应用程序可以查询或保持对象。
For example, reflection is often used in frameworks that persist objects to databases, XML, or other external formats.
例如,反射经常在持续存储对象为数据库、XML或其它外部格式的框架中使用。
And when you persist objects, they can only be persisted in the same atomic transaction if they are in the same entity group.
并且在持久化对象时,如果它们在相同的实体群中,那么它们只能被持久化到相同的原子事务中。
For all of these reasons, relational databases offer what we might call a noticeable impedance mismatch when we try to use them to persist objects in a dynamic language like Python.
由于所有这些原因,在尝试使用关系数据库来持久化诸如python等动态语言中的对象时,关系数据库导致了显著的不匹配。
Through the use of a special object called the entity manager, applications can query for, or persist, objects.
通过使用称为实体管理器的特殊对象,应用程序可以查询或保持对象。
The role of the database is to persist the data over time, though manipulation is done via an array containing these objects, rather than referring to the database continually.
数据库的作用是长时间持久化数据,但这是通过包含这些对象的数组实现的,而不是不断地引用数据库。
And third, we will persist some actual Python objects and show that their attributes get automatically stored.
第三,我们将持久化一些实际的Python对象,并说明其属性得到了自动存储。
In this article, I demonstrated various methods to create objects from the data in an XML document and persist them on the DataStore available to GAE developers.
本文演示了从一个XML文档中的数据创建对象,并将它们持久化到GAE开发人员可用的DataStore上的各种方法。
The joda-time-jpox project aims to add mappings necessary to persist Joda-Time objects using the DataNucleus persistence engine.
joda-time-jpox项目的目标就是添加一些必需的映射,以使用DataNucleus持久化引擎持久化 Joda-Time对象。
Listing 3 shows the ContactDAO interface extended to use the JDO API to persist, query, update, and delete objects.
清单3显示扩展后的ContactDAO接口,可使用JDOAPI进行持久化、查询、更新和删除对象。
The application creates some business objects, USES NHibernate to persist them, and then reads them back from the database.
这个程序将创建很多个业务对象,来使用NHibernate来对他们进行持久化,然后将他们从数据库中读取出来。
I never made use of any objects to represent those entities, however - I just used Amazon's raw API to persist the properties of both.
然而,我没有使用对象来表示这些实体—我只是使用了Amazon的原始api来存储这两个对象的属性。
These objects are populated, then you persist them to the database with calls to em.persist .
这些对象被填充,然后您通过调用em .persist将它们持久化到数据库中。
Fears persist even after repeated experience with harmless events ORR objects.
哪怕反复经历过的无害的事情或物体,孩子都始终表现出恐惧。
The application services use providers, objects that persist application service data in long-term storage.
这些应用程式服务都使用提供者,也就是将应用程式服务资料保存于长期储存区的物件。
The application services use providers, objects that persist application service data in long-term storage.
这些应用程式服务都使用提供者,也就是将应用程式服务资料保存于长期储存区的物件。
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