数据定义语言(DDL)和数据操作语言(DML)。
Data Definition Language (DDL) and Data Manipulation Language (DML).
您可以执行数据定义语言(DDL)和数据操作语言(dml)语句，并使用该工具来获取和显示结果。
You can execute both data definition language (DDL) and data manipulation language (DML) statements, and obtain and display the results using this tool.
你可以认为SSDS是一个可以存储结构化数据的云（用以构建大型应用），你可以使用基本的数据操作语言通过互联网协议对它进行访问。
SSDS you can think of as a structured data store in the cloud(building block service), which is accessed using Internet protocols using a basic data manipulation language.
数据库任务组规范提出了一种操作文件的语言。
The DBTG specification proposed a language for manipulating the files.
通常，WSDL提供一个抽象的语言以利用各自的参数和数据类型来定义被发布的操作。
In general, WSDL provides an abstract language for defining the published operations of a service with their respective parameters and data types.
而消息是用XML定义的——XML 是一种数据格式，其本身就与编程语言和操作系统这些考虑事项无关。
The messages are defined in terms of XML -- a data format that is itself independent of programming languages and operating system considerations.
出于法律原因它被更名为SQL (StructuredQueryLanguage)，虽然它的构建初衷是成为一个完全的数据操作和定义语言。
Its name was changed for legal reasons to SQL (Structured Query language) even though it was built out to become a full data manipulation and definition language.
希望您可以利用本文介绍的概念，在Clojure或您选择的语言中构建自己的访问者，并继续探索构造和操作数据的新方法。
I hope that you can use the ideas presented here to build your own visitors in Clojure or your language of choice, and to continue exploring ways to structure and manipulate your data.
作为一种函数式语言，Clojure为数据查询和操作提供了新方法。
Being a functional language, Clojure brings new tricks to data query and manipulation.
我们描述了使用其表达式语言(EL)来访问数据和操作数据。
We described the use of its expression language (EL) to access data and operate on it.
这使执行数据库操作非常容易，并且与应用程序用什么语言开发无关。
This makes it easy to perform database operations, whatever language your application is developed in.
有些人解释说，选择语言的信息证明，其中有诸如数据操作或隐瞒数据的不道德行为。
Selected language in the messages has been interpreted by some to suggest unethical actions such as data manipulation or suppression.
SQL结构化查询语言基础上建立的数据库系统使得用户能够对数据库进行简单的操作和管理。通过数据库技术可以让用户更好地对企业进行管理。
The database system based on the standard query language — SQL, makes user can easily manage and operate on the database.Users can manage the corporation better because of the database technology.
JPQL是一种语法上类似于SQL的完备查询语言，但是它是在实体上，而不是在数据库表上进行操作。
JPQL is a full-featured query language with syntax similar to SQL, but it operates on entities rather than database tables.
EGL提供简单而强大的语言单元以加速对各种数据库的数据存取操作。
EGL provides simple and powerful language elements that accelerate access to data stored in a variety of databases.
进一步来说，RPC包括重要的互操作层，称为外部数据表示(XDR)，它确保当涉及到数据类型时，所有NFS参与者使用相同的语言。
Further, RPC includes an important interoperability layer called external data representation (XDR), which ensures that all NFS participants speak the same language when it comes to data types.
我发现即使精通多种操作系统，数据库，程序语言，并且阅读过很多产品特性的资料，但我依然很难明白所讨论的内容。
I found it hard to follow the discussion, even though I'm well versed in multiple operating systems, databases, and programming languages, and had been doing some reading on the product's features.
无论使用哪种语言，访问者模式都是操作树形数据的一种可靠工具。
In each case, I've found that the Visitor pattern is a reliable tool for manipulating trees of data.
一个很好的例子就是直接操作SQL数据定义语言的物理数据模型。
A prime example is physical data models that directly manipulate SQL data Definition Language.
先前做出的有关数据库方案、操作系统、服务器平台和程序设计语言的决策仍然可用并且可在以后再组合。
Decisions previously made regarding database schemas, operating systems, server platforms, and programming languages remain intact and viable for future recombinations.
关系数据库使用结构化查询语言(Structured Query Language,SQL)以便从多个表和列中提取信息，但是键值存储仅限于对键列的操作。
Relational databases use Structured Query Language (SQL) to pull information from multiple tables and columns, but key-value stores are limited to operations on the key column.
Vue语言支持大多数C操作符和 C-89数据类型，还有它自己的内置变量 (_pid, _tid)和函数 (stacktrace,timestamp)。
The Vue language supports most of the C operations, C-89 data types, has its own built-in variables(_pid, _tid) and functions(stacktrace, timestamp).
E4X是一个草案标准，为ECMAScript语言增加了原生XML数据类型，为常见的 XML操作提供了运算符。
E4X is a standard that adds native XML datatypes to the ECMAScript language and provides operators for common XML operations. To quote the E4X specification page
Go语言支持类似于C语言中使用的面向对象风格。数据被组织成structs，然后定义操作这些structs的函数。
The Go language supports a style of object-oriented programming similar to that used in C. Data is grouped together into structs, and then functions are defined which operate on those structs.
更细致的来说一种真正的面向对象程序设计语言会有更多的细节特性[例如typecasting(将某种格式的数据转换为其他格式的操作)]而alice不具备这些特性。
Insofar as the detailed picture is concerned, there are numerous detailed features (such at type casting) that are expected from a true OOP language which are not available in Alice.
要操作像Derby这样的数据库，需要学习SQL，它是与数据库进行交互的标准语言。
To work with a database like Derby, you know you need to learn SQL, the standard language for interacting with databases.
事实上，可以在GUN编译器中使用它维护语言关键字的完美散列，其最新的功能使您能够操作更大的数据库。
In fact, it's the tool of choice of maintaining perfect hashes for language keywords in GNU compilers, and recent advances allow you to work with larger datasets.
XQuery是类似于SQL的语言，用于获取数据，但是其数据操作构造更为成熟。
XQuery is a language for fetching data similar to SQL, but it has more sophisticated data manipulation constructs.
由于Web应用程序的后台数据库通常都是关系数据库，因此这些CRUD操作都是使用众所周知的SQL语言执行的。
As databases behind Web applications are typically relational databases, these CRUD operations are done using the well-known language, SQL.
WSDL (Web服务描述语言)是用于描述Web服务的基于XML的语言，描述内容包括服务的位置、格式、操作、参数和数据类型。
WSDL (Web Services Description language), which is an XML-based language for describing a Web service, including its location, formats, operations, parameters, and data types.
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