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 An identifier typically uses more than one attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): key of a table. row of a table. column of a table. two dimensional table. key of a table. row of a table. column of a table. two dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS