Introduction to Database System If attributes A and B determine attribute C, then it is also true that: B → C is a determinant. A → (A,B) is a composite determinant. B → C is a determinant. A → (A,B) is a composite determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Attributes Entities Relationships Identifiers Attributes Entities Relationships Identifiers ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: None of these data-base administrator data base separate files users None of these data-base administrator data base separate files users ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Update Sort key Index Delete Update Sort key Index Delete 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. File structure Records Fields Database File structure Records Fields Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Attributes Entities Relationships Primary keys Attributes Entities Relationships ANSWER DOWNLOAD EXAMIANS APP
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