Introduction to Database System A database management system Both of the listed here can do more than a record management system None of the listed here allows simultaneous access to multiple files Both of the listed here can do more than a record management system None of the listed here allows simultaneous access to multiple files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. Fields Database File structure Records Fields Database File structure Records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? program dependence data redundancy difficult to update lack of data independence All of these program dependence data redundancy difficult to update lack of data independence All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). A → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Tuple Key Relation Determinant Tuple Key Relation Determinant ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? increased security program/data independence ability to associate related data elimination of the data redundancy All of these increased security program/data independence ability to associate related data elimination of the data redundancy All of these ANSWER DOWNLOAD EXAMIANS APP
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