设置数据约束。
If the user enters data that violates any of the data constraints, the XForms-enabled browser can immediately provide feedback to the user.
如果用户输入的数据违反了任何数据约束，支持X Forms的浏览器会立即给用户以反馈。
In the XForms model, XFG generated data constraints as XForms bind attributes which correspond to database metadata, such as column type, length, required, and so on.
在XForms模型中，xfg生成xforms绑定属性形式的数据约束，它与数据库元数据相对应，比如列类型、长度、是否是必需的，等等。
In this definition, you could set the types and the constraints on the data.
在这个定义中，你可以设置数据的类型和限制条件。
In this definition, you set the types and the constraints on the data.
在这个定义中，可以在数据上设置类型和限制条件。
Data records that violate the database constraints are rejected by the connector and forwarded to a flat file.
违反数据库约束的数据记录将被连接器拒绝并被转发到一个平面文件中。
Data which meets the rules and constraints of its original repository and application may not satisfy requirements on an enterprise level.
数据即使满足它原来的存储库和应用程序的规则和约束，也不一定能够满足企业级的需求。
Data which meets the rules and constraints of its original repository and application may not satisfy requirements on an enterprise level...
数据即使满足它原来的存储库和应用程序的规则和约束，也不一定能够满足企业级的需求。
The application's current data architecture leaves me with no constraints - I could theoretically create an infinite number of instances of the same object.
这个应用程序的当前数据架构没有向我施加任何限制—理论上我可以为同一个对象创建无限个实例。
We will conclude by summarizing when to apply and when not to apply the data federation pattern and to list important constraints.
我们最后将总结何时应用数据联合模式及何时不应用此模式，并将列出重要的约束。
Because there is no error handling logic, you must rely on database constraints to ensure semantic integrity of the data.
因为没有错误处理逻辑，必须依靠数据库的限制，以确保数据的语义完整性。
Objects have no inherent constraints, so explicit coding is required to implement the data validation.
对象没有固有的约束，因此要实现数据验证，必须进行显式编码。
This weakening of the data structure constraint requires the strengthening of constraints within the application logic as necessary.
这种数据结构约束的弱化要求根据需要强化应用程序逻辑中的约束。
If the remote tables have restrictions on the data such as check constraints, you can convey these restrictions to the federated server using informational check constraints.
如果远程表在数据上有检查约束，那么可以使用信息检查约束将这些约束传递到联邦服务器。
Validation is a process of checking whether the instance document satisfies structural, data type, and content constraints specified in the XML schema.
验证就是检查实例文档是否满足在XML模式中指定的结构、数据类型和内容限制的过程。
These parameters make up the problem's data matrix and are used to calculate the constraints, as you'll see later.
这些参数构成了这个问题的数据矩阵，并用来计算约束，正如我们稍后会看到的一样。
The processor checks data types and constraints before the data is submitted for processing.
处理器在提交数据进行处理之前检查数据类型和约束。
This table USES referential integrity constraints to ensure data validity.
这个表使用引用完整性约束确保数据的有效性。
Even if the data models are defined appropriately and consistently, a lack of appropriate integrity constraints for data values can lead to quality and consistency issues.
即使恰当且一致地定义了数据模型，缺少恰当的数据值完整性约束可能会导致质量和一致性问题。
The data volumes in data warehouse databases make traditional referential integrity constraints too costly.
数据仓库中的数据量使得传统引用完整性约束的成本太高。
The physical data modeling applies physical constraints, such as space, performance, and the physical distribution of data.
物理数据建模应用物理约束，如空间、性能以及数据的物理分布。
Consistency: a transaction preserves all the invariant properties (such as integrity constraints) defined on the data.
一致性：事务保持数据上定义的所有不变的属性(如完整性约束)。
When an application applies those constraints on data, the constraints become validations.
应用程序将这些约束应用于数据时，约束也就成了验证。
And constraints can be placed on the data.
可以对数据设置一些约束。
Support for validating XML data based on user-supplied schemas, which allows application developers and database administrators to enforce data integrity constraints for XML data stored in DB2.
支持基于用户提供的模式验证XML数据，这使得应用程序开发人员和数据库管理员可以对DB2中存储的 XML 数据实施数据完整性约束。
Resource constraints in the Operations data center.
运营性数据中心的资源限制条件。
By changing the isolation level, the J2EE developer or deployer can balance data integrity against performance constraints to performance tune the application.
通过修改隔离级别，J2EE开发人员或部署人员可以在性能的约束下平衡数据完整性，从而对应用程序进行调整。
The constraints specify the range in which the data lies.
这些约束规定了数据的范围。
The XML Schema specification (See the Resources section) provides a rich data model that enables you to express sophisticated structure and constraints on your data.
XML模式规范(请参见参考资料部分)提供了一个丰富的数据模型，允许对数据上的复杂结构和约束进行表述。
For example, an XML schema can enforce control over how data is ordered in a document, or constraints on particular values.
例如，XML模式可以控制文档中的数据的排列顺序以及对特定值的约束。
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