Introduction to Database System Entity instances are associated by relationship classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? ZIP COMMIT PACK SAVE ZIP COMMIT PACK SAVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Object-Oriented Hierarchical Relational None of these Network Object-Oriented Hierarchical Relational None of these Network ANSWER DOWNLOAD EXAMIANS APP
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 → (B,C). A → (B,C) → A → A → (B,C). A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System It is more accurate to define a _____ as a variety of different record types that are treated as a single unit Table Flat File Record None of these Database Table Flat File Record None of these Database ANSWER DOWNLOAD EXAMIANS APP
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