... as part of the type definition of the referenced table • SQL允许用户在定义表时用自引用属性(Self-referential attribute) ref is以多种 斱式指定对象标识的产生斱式 • 斱式一：允许指定系统自动生成 • 斱式二：允许用户自己生成标识 • 斱式三：允许...
Thecontentsandpropertiesof an interactiveformaredefinedbyan interactive form dictionary that is referenced from the AcroFormentry in the document catalog in the PDFfile.