Introduction to Database System A database has a built-in capability to create, process and administer itself. True False True False 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: A → (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DIFFERENT SELECT DISTINCT SELECT UNIQUE All of these None of these SELECT DIFFERENT SELECT DISTINCT SELECT UNIQUE All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: data base None of these separate files users data-base administrator data base None of these separate files users data-base administrator ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are components of a database except ________ . user data metadata reports indexes user data metadata reports indexes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if both (b) and (c) they have a field in common None of these they have a row in common they have no records with the same value in the common field both (b) and (c) they have a field in common None of these they have a row in common they have no records with the same value in the common field ANSWER DOWNLOAD EXAMIANS APP
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