英语词汇“data definition languages (DDL)”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	data definition languages (DDL)
释义	data definition languages (DDL) In DBMS,the languages used to describe schemas, subschemas, and storage schemas.; 在数据库管理系统中,用来描述模式、子模式和存储模式的语言。
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英汉翻译词典包含4368284条英汉汉英翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习的有利工具。