设置数据约束。
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。
And constraints can be placed on the data.
可以对数据设置一些约束。
Finally, constraints are applied such as request throttles, security GateKeepers and data validation.
最后会加进如请求验证、安全GateKeepers与数据校验等约束。
At a minimum we need our constraints to match our data model.
最少，我们需要约束匹配我们的数据模型。
Constraints are rules that help preserve the integrity of data in a table.
约束是有助于保持表中数据的完整性的规则。
If you are generating data for columns that have unique constraints, it will likely fail.
如果要为具有唯一约束的列生成数据，则很可能会失败。
You can also provide constraints on the range of data values.
您也可以提供资料值范围的条件约束。
With the same structure table schemas, relations, and constraints and data as this.
相同的结构(表架构、关系和约束)和数据。
With the same structure table schemas, relations, and constraints and data as this.
相同的结构(表架构、关系和约束)和数据。
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