retrieve data from
检索数据自
2026-03-22 06:36 浏览次数 18
检索数据自
this pattern can improve query performance by allowing applications to more quickly retrieve data from a data store.
这种模式可以提高查询性能,让应用程序更快速地从存储中检索数据。
the entitymanager.query() method runs an sql-like query to retrieve data from the database in the form of a collection of entity bean objects.
query()方法运行sql化的查询,并以实体bean集合形式从数据库返回数据。
it could also retrieve data from sensors that are already connected to equipment in the field but which normally rely on helicopter or ground visits to get the information.
它还能调取与室外设备相连的传感器收集的数据,这些信息通常依赖直升机或地面人员采集。
the model contains all the business logic necessary to retrieve data from a persistent data store.
模型包含所有必须的业务逻辑,从存储数据仓库中检索数据。
you also need to make sure that you can write data to the service through the api and retrieve data from it through the api.
你还需要确保你可以通过api像服务端写数据并能透过api取数据。
query language, which offers a unified, sql-like interface to retrieve data from multiple web service apis.
querylanguage,该语言提供一个统一的、类似sql的接口来检索来自多个web服务apis 的数据。
they all can be used to retrieve data from their respective types of data sources and can be bound to various data-bound controls.
它们全都可以用来从它们各自类型的数据源中检索数据,并且可以绑定到各种数据绑定控件。
you can use the personalization apis to create your own user and content resources that retrieve data from anywhere.
可以使用personalizationapi来创建您自己的从任何地方检索数据的用户和内容资源。
without db2 ii, we needed to retrieve data from each source individually using native apis.
在不使用db2ii 的情况下,我们需要使用本地api从每个数据源逐个检索数据。
once you have the entry design, the first step is to load the keystore as an object so you can retrieve data from it.
设计好条目之后,第一步需要把keystore作为对象进行加载,以便能从中检索数据。
this panel shows the exact sql statement pdi will use to retrieve data from the performance data selected.
该面板显示pdi从选定性能数据中检索数据所用的具体的sql语句。
preloading the cache increases the chances of a cache hit and reduces the need to retrieve data from back-end tiers.
预先加载缓存提高了缓存命中的几率,减少了从后端层中获取数据的需要。
this article describes how you restrict users access to these database operations that could update or retrieve data from the database.
本文描述如何约束用户访问这些可以更新或者获取数据库数据的操作。
in either case, a uri doesn「t actually retrieve data from the specified location.
不管是何种情况,uri并不真正从指定位置检索数据。
finally, look at how you might use xquery to retrieve data from your table.
最后,了解如何使用xquery从表中获取数据。
a software developer is responsible for designing and developing applications or web services to store, access, and retrieve data from databases, and connect to other business applications.
软件开发人员负责设计与开发应用程序或者web服务来存储、访问、以及从数据库中检索数据,以及连接到其他业务应用。
retrieve data from a database -- multiple results
从数据库中检索数据 ——多个结果
retrieve data from a database -- single result
从数据库中检索数据 ——单个结果
listing 8 shows the interface to retrieve data from a remote application.
代码清单8显示了一个接口来获取来自远程应用程序的数据。
on the server, you use code to query a database or retrieve data from a service.
在服务器端,主要是使用代码来查询数据库或从服务检索数据。
the same is true for retrieving data; every time you retrieve data from the order_items table, you also want to get the order information, so order table will be accessed too.
对于抓取数据也是一样;每当从 order_items表抓取数据时,还需要获取订单信息,因此还要访问order表。
if there are no directives in the query, the optimizer will always retrieve data from tables with the most restrictive filer first. let」s look at the following query
如果查询中没有指示,那么优化器通常会首先从带有最多限制性筛选器的表中检索数据。
at the bottom, several queries retrieve data from the index.
在底部,多个查询将从索引中检索数据。
using a series of simple examples, this tutorial illustrates how to retrieve data from an ibm db2 database with standard sql select statements.
本教程通过一系列简单的例子,阐释如何用标準sqlselect语句检索ibmdb2数据库中的数据。
this is in contrast to a private cloud that allows a consumer to retrieve data from known locations in a specific jurisdiction (like the us).
私有云则不同,允许用户从某个特定行政区划(比如美国)中的已知位置检索数据。
it has some common points with those frameworks as well; similarly, it allows you to simply retrieve data from your servers and create the entire user interface on the client side.
jqtouch框架和这些框架也有很多共同之处;它同样允许您从您的服务器上检索数据以及在客户端创建整个用户接口。
as with the databaseroute node, you can use the databaseretrieve node to retrieve data from one or more database tables.
与databaseroute节点一起,您可以使用databaseretrieve节点从一个或多个数据库表检索数据。
in the content provider shown in listing 7, you can retrieve data from an xml file or from a database using an adapter.
在 清单7所示的内容提供者中,可以使用适配器从xml文件或数据库检索数据。
listing 2 shows the xrt script that is used to retrieve data from the employee database and create the intermediate data xml shown in listing 3.
清单2展示了该xrt脚本,用于从雇员数据库中检索数据,以及创建如 清单3所示的xml中间数据。