This is because a flow designer USES promotion to control the setting of a property value in a hierarchicalcomposition.
这是因为流设计人员是使用升级来控制分级结构中的特性值的设置。
2
Adding an ORDER siblings BY clause which is only allowed in composition with the hierarchical query clause and will return the siblings in the predefined sequence.
Additionally, BLA architecture supports recursive composition by reference, facilitating hierarchical assembly of BLAs and individual deployed artifacts.