• Even though referential integrity and check constraints are very helpful during the ETL process to help detect data problems, implementing them on final data warehouse tables is not efficient.

    ETL过程即时参照完整性检查约束极其有助于检测数据问题,在最终的数据仓库中实现它们不会高效。

    www.ibm.com

  • Children should be encouraged to live with or near their old parents, which is very helpful for them to know their parents, conditions and attend their daily life.

    应该鼓励孩子生活接近他们父母他们知道他们的父母有帮助参加他们的日常生活条件

    www.yyzw.com

  • It is very helpful to acquire the characteristics of idioms for better understanding and use of them.

    把握成语中的古汉语特点对于正确理解和灵活运用成语具有极大的作用。

    dict.cnki.net

  • It is very helpful to acquire the characteristics of idioms for better understanding and use of them.

    把握成语中的古汉语特点对于正确理解和灵活运用成语具有极大的作用。

    dict.cnki.net

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