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 → A → A → (B,C). (B,C) → A → A → A → (B,C). ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to arrange them access them store information together create them arrange them access them store information together create them ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called None of these DB/DC dictionary TOTAL any of the above ACCESS None of these DB/DC dictionary TOTAL any of the above ACCESS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form defines none of the listed here both of the listed here the width of each field where data is placed on the screen none of the listed here both of the listed here the width of each field where data is placed on the screen ANSWER DOWNLOAD EXAMIANS APP
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