查询词典 primary key

Referential integrity tests involve ensuring that all references to a primary key from another file actually exist in their original file.

域完整性测试主要是为了验证数据是否和定义的一致，如，性别的域值：男or 女，如果出现第三种值就是错的。

The QRD-what data code value qual of the QRD segment identifies the primary key defining the master file MFE segments (and associated master file records, denoted by "Z") to be returned with the response.

QRD 段的 QRD-何种资料代码值条件识别定义主档 MFE 段的主键值，这些主键值定义随响应将被返回的主档 MFE 段(和相关的主档记录，用"Z"表示)。

You have a primary key, that's it. No

你有一个主键，就是这样。

I have designed with the email address to be the primary key.

我设计的电子邮件地址是主键。

You will need primary key on your table to have these four commands.

您需要在您的表的主键有四个命令。

Here we have got to manage the issue of identity column as a primary key.

在这里我们必须管理作为主键的标识列的问题。"/页"

It is not necessary to use ''FuelID'' as the name of the primary key field.

不一定要使用'''FuelID'''作为主关键字段的名称。

A primary key is a unique field that makes it easy to identify a record.

主要关键是一个独特的领域，很容易找出一个纪录。

As each table's primary key.

因为每个表的主键。

This index requires each value in the primary key to be unique.

该索引要求主键中的每个值必须是唯一的。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。