| 1. | To control how values are changed in child rows , add a
若要控制在子行中如何更改值，请将 |
| 2. | But all child rows are added
限制，但将添加所有子行。 |
| 3. | Records in the parent table let users navigate to related child rows
父表中的记录使用户可以定位到相关的子行。 |
| 4. | To return the child or parent rows of a parent - child relationship
中表之间的关系来返回具有父子关系的子行或父行。 |
| 5. | Gets the child rows of a
的子行。 |
| 6. | Objects can then be used to return the related child or parent rows of a particular row
然后， datarelation对象可用于返回某特定行的相关子行或父行。 |
| 7. | An exception is generated if the table has any enforced child relations that would cause child rows to be orphaned
如果表中有任何将使子行孤立的强制子关系，则生成异常。 |
| 8. | And it causes the child rows of the relation to be nested within the parent column when written as xml data or synchronized with an
，而这将导致关系的子行作为xml数据写入或与 |
| 9. | Objects to relate one table to another , to navigate through the tables , and to return child or parent rows from a related table
对象来使一个表与另一个表相关，在多个表之间导航，以及从相关表中返回子行或父行。 |
| 10. | A parent row cannot be deleted if it has any child rows . you can create a foreign key constraint between single columns or between an array of columns by using the
例如，如果foreignkeyconstraint的deleterule属性是none ，那么在父行有子行的情况下，则无法删除父行。 |
