The DDL ( Data Definition Language(DDL) ) statements throughout this article are provided as a sample. 全文提供了示例DDL(数据定义语言(DDL))语句。
A prime example is physical data models that directly manipulate SQL Data Definition Language(DDL). 一个很好的例子就是直接操作SQL数据定义语言(DDL)的物理数据模型。
You can execute both data definition language ( DDL ) and data manipulation language ( DML ) statements, and obtain and display the results using this tool. 您可以执行数据定义语言(DDL)(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。
Data Definition Language(DDL) ( DDL ) and Data Manipulation Language ( DML ) 数据定义语言(DDL)(DDL)和数据操作语言(DML)
SQL has two main components : a Data Definition Language(DDL) ( DDL ) and a Data Manipulation Language ( DML ). SQL有两个主要部分:数据定义语言(DDL)(DDL)和数据操纵语言(DML)。