根据这个用例的目标，在测试用例的前置条件或者设置中还需要一些数据输入。
Depending on the goal of the use case, some data input will be required in the pre-conditions or setup of the test case.
在开发过程中，你将会需要一些数据，不幸的是，这个并不像写若干文本文件来定义一个立方体那么简单。
During development, you're going to need some data, and unfortunately it's not going to be as easy as writing some text files that define a cube.
您正在修改一个程序，您原以为它是个小程序，不料竟发现它已经迅速增长成为一个庞大的东西—一个项目—而现在您已到了需要保存一些数据的时候了。
You're hacking away on what you think is a little program, only to find that it has snowballed into something larger — a project — and now you've reached the point where you need to save some data.
通常，在需要发送一些敏感数据时，可以通过两种方法来保护通信。
Usually when you want to send some sensitive data, you have two chances to secure the communication.
要完成匹配，我们需要设置一些附加变量和数据结构。
To complete the matching, we'll need to set up some additional variables and data structures.
既然已经考虑了一些谁需要访问数据，以及如何检索，然后就可以考虑安全性的问题了。
Now that you've thought a bit about who needs access to data and how they retrieve it, you can think about security.
要了解如何处理不良数据，应当熟悉一些需要面对的基本问题。
To understand how to deal with bad data, you should get familiar with some of the basic problems you face.
最好将它转换为需要的类型，然后对新数据执行一些有用的操作。
You'd cast it to the expected type, and then do something useful with the new data.
通常，这些文件都包含了要查找重要数据所需要访问的一些信息。
Quite often, those files contain information you need to access in order to find important data.
有时候需要根据一些输入数据计算出一个值，而描述公式最好的办法是用if - then - else形式，尽管可能更希望用函数。
Sometimes you want to compute a value from some input data, and the best way to describe your formula is to use if-then-else verbiage, even though what you want is more like a function.
许多投入使用的,J2EE WEB应用程序在一些时候需要进行数据的持久化.
Many real-world Java 2 Platform, Enterprise Edition (J2EE) applications need to use persistent data at some point.
为了演示PartnerLookup插件的功能，需要使用一些样例数据填充ldap目录。
For demonstrating the function of the Partner Lookup plug-in, you need to populate the LDAP directory with some sample data.
当一个可视Web应用程序需要用户提供一些数据(比如名字或街道地址)时，用户只需把它输入到输入域内。
When a visual Web application requires some data from a user, such as a name or street address, the user just types it into an entry field.
同样地，添加polyline(具有多个顶点的线)需要存储一些数据。
Similarly, adding polylines (lines with multiple vertices) requires storing some data.
为了得到一个令人感兴趣的图形，并确认该图形将报告您想看到的东西，需要在数据库上生成一些工作负载。
To get an interesting graph, and validate that the graph is reporting what you think, you'll need to generate some load on the database.
对于一些报表参数，我们需要创建数据集来得到相关的数据。
For some report parameters, we will need to create data sets to get the relevant data.
本文概述了一些可能需要数据库用户对XML数据执行的一些常见任务，并指出可以帮助执行这些任务的IBM工具。
This article outlines some of the common tasks database users may need to perform with XML data and identifies IBM tools that can assist with these tasks.
不同的应用程序以不同的格式导出数据，因此需要做一些工作为SOAP交易重新组织数据。
Different applications export data in different formats, so some work is needed to re-organize the data for the SOAP transaction.
在两个状态之间执行转换时，元数据是否需要满足一些必要的条件？
When executing a transition from one state to another, are there requisite conditions for the metadata?
但是，并非所有数据都被清除，为了进行以后的处理，可能需要保留一些数据。
However, not everything is cleaned up as some data might still be necessary for later processing.
如果我们要去写程序，我们需要至少两件事情：，我们需要一些能代表基础数据的东西。
If we're going to write programs, we need at least two things: we need some representation for fundamental data.
作为一名数据建模师或数据架构师，不仅需要使用数据建模工具，还需要使用版本控制工具、一些必备工具和多个数据模型。
As a data modeler or a data architect, you may need to work not only with a data modeling tool, but also with version control tools, requisite tools, and multiple data models.
在考虑如何查询包含名称空间的XML数据之前，需要一些示例数据。
Before you can consider how to query XML data that contains namespaces, you need some sample data.
SFM控制台需要一个数据库来存储一些信息。
The SFM console requires a database to store some information.
由于不再需要为了进行查询而分解数据，一些表的数据库模式已经简化了。
The database schema for some of the tables has been simplified as you no longer need to shred out data for querying purposes.
源数据库中还有其他一些数据类型是需要在迁移之前修改的。
There might be other data types that require changes to your source database before they are migrated.
从任何给定的数据源检索数据通常都需要进行一些初始化活动，例如连接到数据源和提供有效的认证信息。
Retrieving data from any given source usually requires some initialization activities, such as connecting to a data source and providing valid authentication information.
要实际修改底层数据源，仍然需要一些用户定义的代码。
To actually modify the underlying data source, some user-defined code is still required.
如果应用程序需要依赖数据库的一些特殊特性，那么在做选择时就会受到限制。
If there is application dependency on particular features of a database, then the choices are constrained.
如果应用程序需要依赖数据库的一些特殊特性，那么在做选择时就会受到限制。
If there is application dependency on particular features of a database, then the choices are constrained.
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