基础释义
例句
行业词典释义

福克斯词典 \ 英汉词典 \

DDL是什么意思？

DDL

数据定义语言；

例句

Availability of database definition language ( DDL ) and database manipulation language ( DML ) in DAO and ODBC. DAO和ODBC中的数据库定义语言 ( DDL ) 和数据库操作语言 ( DML ) 的可用性.
The Data Definition Language ( DDL ) part of SQL permits database tables to be created or deleted. 数据定义语言 ( DDL ) 为SQL中的一部分,可以让数据表建立或是删除.
Note that supplying connection information does not initiate data definition language ( DDL ) generation. 请注意,提供连接信息不启动数据定义语言 ( DDL ) 生成.
The model consists of four layers - DDL, DML, DPL and CL. 该模型分为数据定义层DDL、数据操纵层DML 、数据显示层DPL和控制层CL四层, 这里重点阐述了DDL和DML层.

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行业词典

计算机：数据定义语言，数据描述语言；

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