Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. Many-to-many relationship One-to-many relationship One-to-one relationship None of these Many-to-one relationship Many-to-many relationship One-to-many relationship One-to-one relationship None of these Many-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called database data file data record data bank database data file data record data bank ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to remove a stored function from the database? None of these DELETE FUNCTION REMOVE FUNCTION DROP FUNCTION ERASE FUNCTION None of these DELETE FUNCTION REMOVE FUNCTION DROP FUNCTION ERASE FUNCTION 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? plotter printer high speed, large-capacity disk high-resolution video display plotter printer high speed, large-capacity disk high-resolution video display ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
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