Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Database Information tree Information provider Directory information Database Information tree Information provider Directory information ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail is used to make back-up copies can be used to restore lost information is the recorded history of operations performed on a file All of the listed here is used to make back-up copies can be used to restore lost information is the recorded history of operations performed on a file All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called data file data bank data record database data file data bank data record database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . e-commerce database application multiuser database application single-user database application data mining database application e-commerce database application multiuser database application single-user database application data mining database application 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? tree relational network chain tree relational network chain ANSWER DOWNLOAD EXAMIANS APP
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