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null record

  • 空记录

网络释义专业释义

  [计] 空记录

... 不具有法律效力 void ... 空记录 null record 空参考 null reference ...

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  • 空记录

·2,447,543篇论文数据,部分数据来源于NoteExpress

双语例句权威例句

  • When ON delete set NULL is active, when a record is deleted from the parent table, all records in the child table with matching foreign key values are set to NULL.

    ON DELETE SET NULL规则激活时,如果记录从父中删除,中的所有记录以及匹配的设置为NULL

    youdao

  • The combined record is much easier to use-you only have to check the PICTURE field to see if it's not null (which was the result of the LEFT OUTER JOIN).

    组合记录使用起来要容易只需检查PICTURE字段查看是否为空(LEFT OUTER JOIN的结果)。

    youdao

  • The SIF record format also contains delta specific columns to assist in setting the indicator values of existing database records to NULL.

    SIF记录格式包含特定于delta协助现有数据库记录指示符设置NULL

    youdao

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