题目内容

填空题 The ____is language standardized by ANSI and ISO for use on relation database.

查看答案

搜索结果不匹配？点我反馈

更多问题

填空题 A ____is a collection of data that is logically, but not necessarily physically, coherent.

填空题 The____level of a DBMS interacts directly with the hardware and is concerned with low-level access methods and byte transfer to and from the storage device.

填空题 The ____level of a DBMS interacts directly with the user.

填空题 In a ____model, the entities are organized in a graph, where some entities can be accessed through several paths.