Introduction to Database System Entity instances are associated by relationship classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. Domain/key normal form Third normal form First normal form Second normal form Domain/key normal form Third normal form First normal form Second normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? UPDATE BROWSE INSERT APPEND UPDATE BROWSE INSERT APPEND ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When you have finished entering information into a form the contents of the form are written to the data file the template is written to the data file the contents of the form can be printed All of the listed here the contents of the form are written to the data file the template is written to the data file the contents of the form can be printed All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail All of the listed here is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies All of the listed here is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies ANSWER DOWNLOAD EXAMIANS APP
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