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SQL语言
释义
SQL语言
Encyclopedia
理学
数据库系统
释
structured query language
SQL语言
一种介于关系代数和关系演算之间的关系查询语言,它是一种关系数据库领域定制的、用于数据库查询和程序设计的语言,用于存取数据以及查询、更新和管理关系数据库系统。
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