Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → A → (B,C). A → (B,C) → A → A → (B,C). A → (B,C) → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The PROJECT command will create new table that has both of the listed here more fields than the original table none of the listed here more rows than the original table both of the listed here more fields than the original table none of the listed here more rows than the original table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . multiuser database application e-commerce database application data mining database application single-user database application multiuser database application e-commerce database application data mining database application single-user database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a tree file an indexed file a sequential file a hashed file None of these a tree file an indexed file a sequential file a hashed file None of these ANSWER DOWNLOAD EXAMIANS APP
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