默认情况下，该类为空，因为Rails将根据来自数据库的表元数据推断该类的属性。
The class is empty by default, as Rails infers the attributes of the class based on table metadata from the database.
根据价格表，他们花了45元买门票。
According to the price list, they paid 45 yuan for the tickets.
有些人认为词汇表和分类法也属于元数据的范畴。
Some people consider glossary and taxonomy as metadata as well.
如何在注册表内部和外部定义和管理服务元数据？
How is service metadata defined and managed within and outside of the registry?
维度表可能不包含事实，而只包含元数据。
创建“现有表”时，首先会创建一个代理表，然后检索和存储远程表中的元数据，并将该元数据放入到这个代理表中。
Creating an "existing table" creates a proxy table, then retrieves and stores metadata from a remote table and places the metadata into the proxy table.
通过属性表定义元数据。
该提取请求包含关于选择的源数据库表的元数据。
The extract request contains the metadata about the selected source database tables.
关键词搜索可在不同的参数(比如文档类型、类别、用户和通过属性表定义的定制元数据)上执行。
The keyword search can be executed on different parameters such as document type, categories, user, and custom metadata defined through the property sheet.
AD包含其他元数据，这些元数据关于表之间的关系和依赖性、其他表的信息和隐私屏蔽信息。
The AD contains additional metadata about the relationships and dependencies between these tables, information about other tables, and privacy masking information.
交易过程很快，我付了35元钱后就拿着表离开了。
The transaction went quickly; I offered 35 yuan and left with the watch.
为了使性能最大化和更加便利，目前的策略是从某一个表中提出元数据，先把一个类的实例映射到那个表上，用来初始化。
The current strategy for maximizing performance and convenience is to retrieve metadata for a particular table the first time an instance of the class that maps to that table is instantiated.
有多种类型的桥，它们可以导入和导出数据库表、报告、模型、用户信息等的元数据。
There are various types of Bridges available for importing and exporting metadata for database tables, reports, models, user information, etc.
当某一层排满电子时，周期表中的下一元素就启用新的一层，此即标志着周期表新的一行元素的开始。
When a shell is full, the next element in the series starts a new shell, and that marks the beginning of a new row of the table.
除了使用查询表提取额外元数据之外，还可以使用其他技术让表单与其他用户界面开发标准保持一致。
In addition to using lookup tables to extract additional metadata, other techniques can be used to make the form consistent with other user interface development standards.
例如，“数据词典”和“数据模型”与元数据相关；而词汇表、控制词汇和分类法则与数据实例相关。
For example, "data dictionary" and "data model" are related to the metadata; whereas glossary, controlled vocabulary and taxonomy concern the data instances.
物理数据模型的生成也保留术语表分类，准备好发布到元数据服务器。
Generation to physical data model also retains glossary classifications, ready for publication to metadata server.
定制元数据来自文档类型的属性表。
Custom metadata comes from the property sheet of the document type.
可以使用属性表和文档模板，来定义定制的元数据和创建模板。
Custom metadata definition and template creation are possible using property sheets and document templates.
需要把术语表数据填充到元数据存储库中以启用术语表集成。
The glossary data needs to be populated in the metadata repository to enable the glossary integration.
多维数据集模型包含元数据对象，这些对象描述基表数据中的关系以及相关数据位于什么地方。
A cube model contains metadata objects that describe relationships within the data that resides in the base tables and also describes where pertinent data is located.
元表的键值称为事件；值（换而言之就是函数）称为元方法。
The keys of the metatable are called events; the values (in other words, the functions) are called metamethods.
另外，如果niem元数据不够的话，还可以使用查询表策略在数据元素中添加额外的元数据。
In addition, a look-up table strategy can be used to add additional metadata to each data element when the NIEM metadata is not sufficient.
PODS4上传过程并不在18个表中存储元数据，而是使用xml类型的DB 2列保存元数据，只需对四个表执行INSERT。
Instead of storing metadata across 18 tables, the PODS4 upload process saves it using DB2 columns of type XML and does an INSERT query into four tables.
物理数据模型的生成也保留术语表分类，准备好发布到元数据服务器。
Generation to physical data retains glossary classifications, ready for publication to metadata server.
这个表空间用来容纳 ADMIN_COPY_SCHEMA过程所使用的元数据以及这个过程返回的错误表。
This table space is used to hold metadata used by the ADMIN_COPY_SCHEMA procedure as well as error tables returned by this procedure.
团队编辑，可以通过属性表进行版本控制、调整和定制元数据。
Team editing with versioning, drafts, and custom metadata through property sheets.
根据更好的元数据定义减少返回数据(使用外部表)。
Reduction of return data based on better definition of metadata (using External tables).
Metabroker status窗口将为您提供将整个术语表模型导出到元数据服务器中的选项，也可以筛选需要导出的内容。
The Metabroker status window provides you with the options to export the entire Glossary Model into the Metadata Server, or you can filter what you want to export.
您将看到一个三元素表 {Target,Type,Value}，该表确定了消息中设置了哪些元素以及这些元素的值。
You'll see a table of {Target, Type, Value} triples that determine what elements in the message get set and to what value.
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