Introduction to Database System Which of the following is not a restriction for a table to be a relation? The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: A → (B,C) → B → C → A → (B,C) → B → C → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: relationships. entities. attributes. identifiers. relationships. entities. attributes. identifiers. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, GRANT command is used to allow user to access databases grant system privileges, roles, and object privileges to uses and roles None of the listed here allow user to create databases allow user to access databases grant system privileges, roles, and object privileges to uses and roles None of the listed here allow user to create databases ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the _____ command is used to recompile a view COMPILE VIEW DEFINE VIEW CREATE VIEW None of these ALTER VIEW COMPILE VIEW DEFINE VIEW CREATE VIEW None of these ALTER VIEW 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 → A → (B,C). (B,C) → A → A → A → (B,C). ANSWER DOWNLOAD EXAMIANS APP
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