1)OQL On C line Query Language,在线询问语言2)query language,询问语言3)BQL Batch Query Language,批询问语言4)query language semantics,询问语言语义学5)query languages for databases,数据库询问语言6)logical query languages,逻辑询问语言
用法和例句
This paper introduces the basic concepts of logical query languages for databases and the methods on evluation of queries.