But from our data model's perspective, there is no unique table we can use to create our foreign key constraint, like the one between TB_RIGHT and TB_PERSON.
但是从我们数据模型的角度来看，我们没有一个惟一的表可以用来创建我们的外键约束，就像TB_RIGHT和TB_PERSON之间那样。
Figure 8 shows how the transform can work together with a CSS file to create various form presentations based on the values in the XML Schema constraint file and a local metadata registry.
图8演示转换如何与CSS文件一起工作，从而根据XMLSchema约束文件和本地元数据登记系统中的值创建各种表单控件。
Figure 4 describes the data flow used to create an XForms application by transforming the NIEM constraint document directly into the XForms document.
图4描述创建XForms应用程序所用的数据流，这个过程将NIEM约束文档直接转换为X Forms文档。
After converting successfully from version 11.50.xc7 to 11.70.xc1, you can use the following commands to create a foreign key constraint with index disabled.
成功地由版本11.50 .xC 7升级到11.70 .xC1之后，您可以使用以下命令，创建一个索引禁用的外键约束。
This tells GLPK to create a constraint for each toy type in TOY, and the equation that will rule each constraint will be what comes after the :. In this case, GLPK will create
这告诉GLPK为 TOY 中的每种玩具类型都创建一个约束，每个约束的等式都在 : 之后出现。
If you have an existing constraint and would like to take advantage of this feature, you must drop the constraint and re-create it.
如果您有一个已有约束，而且想要利用这一特性的优势，您必须删除约束，然后重新创建。
You can affect the geographical location of your buckets by specifying a location constraint when you create them.
在创建bucket时，可以指定位置限制，从而影响bucket的地理位置。
You cannot define a foreign key constraint in a CREATE TABLE statement that contains an AS subquery clause.
你不能在CREATETABLE语句中包含AS子查询子句定义一个外键约束。
Listing 5. Create check constraint on an XML column.
清单5.在xml列上创建检查限制。
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。
Create a unique constraint to ensure no duplicate values are entered in specific columns that do not participate in a primary key.
创建唯一约束可确保在不参与主键的特定列中不输入重复值。
When you select the type, the appropriate dialog box opens (Unique constraint or Foreign Key constraint) to help you create the constraint.
显示适当的对话框(唯一约束或外键约束)，从而允许您更改约束的属性。
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%。
For example, you might want to create a custom data generator if your database contains a column that has a check constraint that references another column.
例如，如果您的资料库有一个资料行具有参考另一个资料行的检查条件约束，您可能会想要建立自订资料产生器。
But rather than seeing this tree as a constraint, I decided to create a building that was a sympathetic response to the tree.
但我并未将这棵树看作妨碍，而是决定建造一所与树和谐共存的房子。
But rather than seeing this tree as a constraint, I decided to create a building that was a sympathetic response to the tree.
但我并未将这棵树看作妨碍，而是决定建造一所与树和谐共存的房子。
应用推荐