In this activity, you add documentation to every element in the model, including every column, every table, every constraint, and every trigger.
在这种情况中，你把文档添加到模型的每一个元素中，包括每个列，每个表，每个约束和每个触发器。
If you add this type of constraint at development time, the schema validator will reject the invalid data at runtime.
如果您在开发阶段加入这种类型的约束，在运行的时候模式验证器就会拒绝无效数据。
This library is also extensible, which makes it possible to add further constraint patterns in the future.
该库也是可扩展的，这使得能够在将来进一步添加约束模式。
Be sure to add a constraint that allows the new field to be both blank (in the HTML form) and nullable (in the database).
注意要添加一个约束，使这个新字段同时为blank(在HTML表单中)和nullable(在数据库中)。
It also provides a mechanism to add custom validation constraints by extending the validation API as well as a way to query the constraint metadata repository.
它还提供了通过扩展ValidationAPI来增加客户化验证约束的机制以及查询约束元数据仓库的手段。
A proven approach to add precision to a model is through the use of constraints and the Object constraint Language (OCL).
增加模型精确度的一种已证实的方法是使用约束条件和对象约束语言(Object Constraint Language,OCL)。
Now, follow these steps to add a new constraint to check for the existence of a masking method if a column is set as privacy data
现在，添加一个新约束，以便在将一个列设为privacydata时检查是否存在一个masking方法。
The next 3 figures show how to add the security constraint (Figure 8), how to set the right URL and HTTP methods (Figure 9) and how to allow the role "DADXUser" for that constraint (Figure 10).
接下来的三个图展示如何添加安全性约束（图8），如何设置正确的URL和HTTP方法（图9）以及如何针对该约束允许“DADXUser”角色（图10）。
For example we can add the following snippet inside the security-constraint to enforce use of SSL when user is accessing managed resources.
例如，我们可以在security - constraint的内部加上如下代码片段，这样当用户访问受管资源时，将会被强制使用SSL。
Instead, you must create the table without the constraint and then add it later with an ALTER table statement.
相反，你必须创建一个没有约束的表，然后添加alterTABLE语句。
To do so, click on the Add icon, and then select the database object type Foreign Key Constraint, as shown in Figure 4c.
为此，单击add图标，然后选择数据库对象类型ForeignKeyConstraint，如图4c所示。
Create a dummy, and add a Path Constraint to make it follow the same spline, but now (with Auto Key on) go to frame 0 and type in 10% in the % Along Path field.
创建一个虚拟体，添加一个路径约束，让它跟着同一条曲线运动，但是现在(保持自动关键帧打开)回到第0帧，将百分比调到10%。
Now you set the store ID and supplier ID fields so that they do not accept an empty value. Of course, you can add a schema constraint into the XForms model to achieve this.
现在，设置storeID和supplier ID字段以使这两个字段不接受空值。
How to add integrity constraint check on all controllers in YII?
如何添加完整性约束检查在一所有控制器？
If you want, now is the time to merge your favourite aircraft model into the scene, and add the same Path Constraint once more.
如果你愿意的话，现在可以合并你最珍爱的飞机模型到场景中了，同样给它添加路径约束。
If the problem has the solution then add a new linear constraint, which aim is to eliminate the selected path. Then compare the two nonlinear objective's value and save the minimum.
而后增加一个新的线性约束，去掉刚才得到的解，比较两次得到的非线性目标值，保留最小值。
A query node is a placeholder for a candidate object, a constraint decides whether to add or exclude candidates from the result.
每个查询节点都是一个存放候选对象的地方，每个约束则标识了是否从结果集中添加还是排除候选者。
Check the Horizontal Center in Container, ensuring the value is set to 0, and click Add 1 Constraint.
检查水平中心的集装箱，以确保该值设置为0，然后单击添加1约束。
Check the Horizontal Center in Container, ensuring the value is set to 0, and click Add 1 Constraint.
检查水平中心的集装箱，以确保该值设置为0，然后单击添加1约束。
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