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not null null not null

网络释义

  可否为空

... 数据类型及长度 CHAR(6) VARCHAR(10) CHAR(6) 可否为空 NOT NULL NULL NOT NULL 列名 ENO DEGREENO XL MAJOR BYDATE BYSCHOOL ...

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有道翻译

not null null not null

非空非空

以上为机器翻译结果,长、整句建议使用 人工翻译

权威例句

  • If the stock is not produced, then the shorting transaction will be null and void and the broker will have to purchase the stock, says Jamie Selway, managing director at White Cap Trading.

    FORBES: Magazine Article

  • As a result, Botha has turned to the courts in an attempt to have his Bulls contract declared null and void, while Sarfu has not confirmed whether his Springbok contract is part of his court application.

    BBC: Strike threat to Springbok tour

  • Translation, if one were to start with a pre-trial null hypothesis probability of 50% (reflecting equipoise, an ethical prerequisite for randomizing patients), the post-trial null hypothesis probability would still be 9%, which is not sufficient to change my practice.

    FORBES: Chelation For Heart Disease: Not What You Have Read

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