Introduction to Database System If attributes A and B determine attribute C, then it is also true that: B → (A,B) is a composite determinant. C is a determinant. A → B → (A,B) is a composite determinant. C is a determinant. A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to group the records in the abc database, you could use the Jobcode as the _____. Update Delete Sort Key Index Update Delete Sort Key Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Sort Key Update None of these Delete Index Sort Key Update None of these Delete Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Records Database File structure Fields Records Database File structure Fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Weak entity ID-independent entity ID-dependent entity Strong entity Weak entity ID-independent entity ID-dependent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS