usage clause

Usage: This parameter controls the decision on whether or not to apply a NON EMPTY clause on member requests when the number of tuples exceeds the set threshold.

用法：当元组数超过设定的阈值时，该参数控制是否对成员请求应用NON EMPTY子句的决策。

互联网摘选

Usage of data-change-operations in the FROM clause allows retrieval of generated columns such as IDs, as well as the retrieval of data to be deleted or updated.

在FROM子句中对数据更新操作的使用允许对生成的列（例如ID）的检索，以及对要被删除或更新的数据的检索。

互联网摘选