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: (B,C) → A → A → A → (B,C). (B,C) → A → A → A → (B,C). ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. candidate keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: third normal form. second normal form. fourth normal form. domain/key normal form. third normal form. second normal form. fourth normal form. domain/key normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An Enterprise Resource Planning application is an example of a(n) ________ . single-user database application e-commerce database application multiuser database application data mining database application single-user database application e-commerce database application multiuser database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? DROP INDEX ROLL BACK INDEX DELETE INDEX REMOVE INDEX DROP INDEX ROLL BACK INDEX DELETE INDEX REMOVE INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file None of these contains only a list of keys and record numbers has a number assigned to each record is sorted in ascending order both (b) and (c) None of these contains only a list of keys and record numbers has a number assigned to each record is sorted in ascending order both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
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