key data type的意思|示意

The following example verifies that the tables included in the template exist on three servers, whether the primary key exists, if there is a data type mismatch, and so forth.

下面的例子检验模板中包括的表是否在三个服务器上，是否存在主键，是否存在数据类型的不匹配，等等。

A column set to the AutoNumber data type often makes a good primary key.

设置为“自动编号”数据类型的列通常是很好的主键。

The validation for complex data type is primary portion of XML document validation and the key to checking whether the structure of a XML document matches its schema rule.

复杂数据类型验证是XML文档验证的主要内容，是检查XML文档结构是否符合模式规则的关键。

The mechanism described earlier that grants broad data access rights to a key-unsafe kernel extension is a type of protection gate called an implicit protection gate.

通过前面所描述的机制，可以为键不安全的内核扩展授予广泛的数据访问权限，这种机制是一种保护门 类型，我们将其称为隐式保护门。

Therefore the log interpretation model should be set up in consideration of the different reservoir types and its key problem is to identify the low permeability reservoir type by use of log data.

因此，低渗透储集层的测井解释模型要针对不同的储集层类型建立模型，其核心问题是利用测井资料进行低渗透储集层类型的识别。

The key to modeling this type of relational data in XML is to understand all the tools you have at your disposal, and apply common sense to determine what will work best in a particular case.

在 XML 中建模这种类型的关系数据的关键是要了解您有可使用的所有工具，并应用常识来确定什么工具最适合某种特定情况。