Introduction to Database System Composite identifiers consist of two or more attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to access them arrange them create them store information together access them arrange them create them store information together ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: A → (A,B) is a composite determinant. C is a determinant. B → A → (A,B) is a composite determinant. C is a determinant. B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Network database Distributed database Relational database Hierarchical database Network database Distributed database Relational database Hierarchical database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk dividing documents to be entered into batches None of these All of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk dividing documents to be entered into batches None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ Contains fields of data about one entity. None of these File Record Document Fields None of these File Record Document Fields ANSWER DOWNLOAD EXAMIANS APP
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