再根据UDT的形式对SQL语言的数据控制语言、数据定义语言和数据操纵语言进行了扩充。
According to UDT, we extend the SQL (Structured Query language) in three aspects: data-control language, data-defined language and data-manipulated language.
再根据UDT的形式对SQL语言的数据控制语言、数据定义语言和数据操纵语言进行了扩充。
According to UDT, we extend the SQL (Structured Query language) in three aspects: data-control language, data-defined language and data-manipulated language.
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