输入包括一系列的约束定义。
The input consists of a sequence of constraint specifications.
DrySQL会提取表格中的约束定义，并用它们自动生成模型类的关联。
DrySQL retrieves your table's constraint definitions, and USES them to automatically generate associations for your model class.
对于第二个策略(每个类层次结构一个表)，您必须用检测约束定义您自己的完整性。
For our second strategy (one table per class hierarchy), you'll have to define your integrity using check constraints.
同样，ActiveRecord的关联和校验对于数据库的约束定义来说也是一种冗余。
As well, ActiveRecord associations and validations are redundant specifications of database constraints.
尽管我们不会重用实际的约束实现，但是元数据api提供一些方法来提取约束定义并重用它。
While we do not reuse the actual constraint implementation, the metadata API offers some ways to extract the constraint definition and reuse it.
然后资源内核可以合并这些请求，使用任务定义的约束定义一个调度，从而提供确定的访问（如果无法提供确定性则返回错误）。
The resource kernel can then merge the requests to define a schedule to provide guaranteed access using the task-defined constraints (or return an error if they cannot be guaranteed).
情绪可以被定义为一种短暂而温和的积极或消极的感觉，它是泛化的，不受任何特定环境的约束。
Mood may be defined as a temporary and mild positive or negative feeling that is generalized and not tied to any particular circumstance.
不像婚姻或联结父母与孩子的纽带，它不被法律所定义或约束。
Unlike marriage or the ties that bind parents and children, it is not defined or regulated by law.
不过，由于我们通过JSTL处理角色，因此我们可以通过添加清单3中的代码来为所有角色定义约束。
However, we are handling roles through JSTL, so we can define the constraint for all roles by adding the code in Listing 3.
业务规则描述在实现一个组织的目标时所应用到的操作、定义和约束。
Business rules describe the operations, definitions and constraints that apply to an organization in achieving its goals.
它向您提供使用定义的安全约束保护资源的能力，然后定义可以访问受保护资源的用户角色。
It gives you the ability to protect a resource with a defined security constraint and then define the user roles that can access the protected resource.
行业服务提供商和业务合伙人可以定义资源约束，用于初始资源分配，决定未来潜在增长的上限。
Industrial service providers and business partners can define constraints on resources for initial resource allocation and determine the upper limit for potential growth in future.
为列定义的所有默认约束必须相同。
Any default constraints defined for columns must be the same.
策略定义特定的功能或约束。
企业业务规则描述企业适用的操作、定义和约束。
Enterprise business rules describe the operations, definitions and constraints that apply to an enterprise.
然后，重写阶段应用在这两个昵称上定义的信息约束规则。
The rewrite phase then applies the informational constraint rules that were defined on the two nicknames.
例如，可能缺少邮政编码必须为有效数字的定义或约束，或者执行不一致。
For example, the definition or constraint that a postal code must be a valid number may be missing or not enforced consistently.
还可以定义其他技术作为约束机制，如模式或类型系统，甚至可以定义自己的自定义约束解决方案。
You can also define other technologies as constraint mechanisms, such as schemas or type systems -- you can even define your own custom constraint solution.
接下来，定义目录安全约束，如清单8所示。
Next, define the security constraints on directories, as shown in Listing 8.
甚至可以定义自己的约束机制。
You can even define your own custom constraining mechanisms.
一个业务规则定义或约束一个业务方面，该方面旨在确认业务结构或影响企业行为。
A business rule defines or constrains one aspect of your business that is intended to assert business structure or influence the behavior of your business.
另一种方法是通过在昵称上定义检查约束来指定分区谓词。
Another alternative is to specify partitioning predicates by defining check constraints on nicknames.
也可使用BICS框架定义自己的约束机制。
You can also define your own constraint mechanism using the BICS framework.
在构建一个数据模型时，可以分析该模型，确认它是否遵从已定义的约束。
At any time when you are building a data model, you can analyze the model to verify that it is compliant with the defined constraints.
约束模式[7]是可以被例化并随后配置的，用于简洁地开发约束的预定义的约束表达式。
Constraint patterns 7 are predefined constraint expressions that can be instantiated and subsequently configured for developing constraints in a concise way.
第15、16、17行定义了约束。
类型III的约束允许定义约束来评估存储在不同的HL7CDAXML文档实例内的内容之间的依赖性。
Constraints of type III allow the definition of constraints to evaluate dependencies between content stored in different HL7 CDA XML document instances.
在用例或接口定义中引用，以定义业务信息约束。
Referenced in use cases or interface definitions to define business information constraints
为supplier昵称定义类似的约束。
步骤6：在昵称上定义信息约束。
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