Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Identifier Relationship Attribute Entity Identifier Relationship Attribute Entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: rows. relations. tables. attributes. rows. relations. tables. attributes. 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 File structure Database Records Fields File structure Database Records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following hardware components is the most important to the operation of a database management system? printer high speed, large-capacity disk plotter high-resolution video display printer high speed, large-capacity disk plotter high-resolution video display ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: (A,B) is a composite determinant. B → A → C is a determinant. (A,B) is a composite determinant. B → A → C is a determinant. ANSWER DOWNLOAD EXAMIANS APP
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