When ON delete set NULL is active, when a record is deleted from the parent table, all records in the child table with matching foreign key values are set to NULL.
当ON DELETESETNULL规则被激活时，如果一条记录从父表中删除，子表中的所有记录以及匹配的外键值都被设置为NULL。
You can create the ObjectName for your MBean to include these key properties with their values set appropriately.
您可以创建MBean的ObjectName，包含这些关键属性并恰当的设置它们的值。
It is useful when a table has a finite set of values for the fragment key (or partitioning key) and queries on the table have an equality predicate on the fragment key.
如果表格有一定数量的片段键(或者分区键)值，而且在片段键上有同等谓词的表格上查询时，它会很有用处。
Figure 22 shows values in the New Topology window. These are the key values to set.
图22在NewTopology窗口中显示了值。
The match criteria is a set of key/value pairs that is used to define the scope of a policy. Two specific key values of interest are
匹配标准由一组key值 对组成，用来定义策略的作用范围。
Advanced dynamic Properties allows you to configure and set key names by which to store any dynamic property values.
高级动态属性使您能够配置和设置键名，通过键名可以存储任何动态属性值。
How to set primary key with duplicate values based on main primary key?
如何基于主密钥重复值，主键设置？
That is, for any two entities within an entity set, the values for all of the properties that constitute a key cannot be the same.
也就是说，对于实体集中的任意两个实体，构成一个键的所有属性的值不能全部相同。
The values of entity key properties must uniquely identify an entity type instance within an entity set at run time.
实体键属性的值必须在运行时唯一标识实体集中的实体类型实例。
The comprehensive, correct and timely performance evaluation of the logistics enterprises plays its key role in ensuring the efficient operation and in achieving the goals and values set by companies.
全面、正确、及时评价物流企业的绩效，是保证企业高效运行、进而实现目标、价值追求的基础和关键。
For example, the event is raised if an attempted update set a duplicate key, or if the original and update did not have UID values that align.
例如，如果尝试进行的更新设置了重复的键，或原始和更新没有对齐的uid值，都会引发事件。
Manual calibration, using a function button to select the school, the school hours functions, corresponding with another function key set, the score values.
手动校准，用一个功能键选择校时、校分功能，用另一功能键调校对应时、分数值。
Computer control system is the important part in cold rolling. The calculation of set values is the key part of this control system.
冷连轧计算机控制系统是冷轧生产中的重要组成部分，设定值计算又是控制系统的核心内容。
Generally, the analysis needs to identify a set of key attributes for each object and then fill in the attribute values.
通常，分析需要识别每个目标的一系列的关键属性，然后填写属性值。
The key control point values were set up and the control object, Methods and frequency as well as the person in charge of control and error correcting measures were also determined.
对每一关键控制点分别制定出适宜的关键限值，明确规定了监控的对象、方法、频率、人员及纠偏措施。
The key control point values were set up and the control object, Methods and frequency as well as the person in charge of control and error correcting measures were also determined.
对每一关键控制点分别制定出适宜的关键限值，明确规定了监控的对象、方法、频率、人员及纠偏措施。
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