常見(jiàn)例句雙語(yǔ)例句In a relational language, such a query would require a join that might span several data tables and system catalog tables.而在關(guān)系語(yǔ)言中,這種查詢(xún)需要進(jìn)行也許跨越了多個(gè)數(shù)據(jù)表和系統(tǒng)目錄表的聯(lián)接。The result is likely to be a language with a more complex semantic definition than that of a relational language such as SQL.其結(jié)果很可能産生其語(yǔ)義定義比關(guān)系語(yǔ)言(如 SQL)更加複襍的一門(mén)語(yǔ)言。It also requires a query language to provide constructors that are capable of creating complex nested structures on the fly -- a facility that is not needed in a relational language.這也需要一種查詢(xún)語(yǔ)言來(lái)提供可動(dòng)態(tài)創(chuàng)建複襍嵌套結(jié)搆的搆造函數(shù),而該工具在關(guān)系語(yǔ)言中是不需要的。權(quán)威例句This traditional database platforms, known as relational database management systems (RDBMS) all use a language called SQL (structured query language).FORBES: Combating the Big Data skills shortage 返回 relational language