Data set object can define the tie that expresses the relation between and kind with aggrandizement, ensure use commercialregulation does not have blemish to the database.
数据集对象可以定义和强化表之间的关系和列的约束，确保使用的商业规则对数据库没有缺陷。
2
The bigger the role that central Banks have in offering liquidity support, the less commercial Banks need to worry about their liquidity risk-which is why tougher regulation of liquidity is required.
I'm not saying the Netherlands has struck the right balance, overall, between freedom and regulation. On the commercial side, the Dutch feel themselves to be heavily over-regulated.