Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? TRUNCATE ROLLBACK COMMIT DELETE TRUNCATE ROLLBACK COMMIT DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of the countries whose condition is sunny. SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? SELECT Username AND Password FROM Users SELECT Username, Password FROM Users None of these SELECT Username, Password WHERE Username = 'user1' SELECT Username AND Password FROM Users SELECT Username, Password FROM Users None of these SELECT Username, Password WHERE Username = 'user1' ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to sort the result-set? SORT BY ORDER SORT ORDER BY SORT BY ORDER SORT ORDER BY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The ADD command is used to enter one row of data or to add multiple rows as a result of a query. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: REMOVE FROM CUSTOMER ... DROP FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... UPDATE FROM CUSTOMER ... REMOVE FROM CUSTOMER ... DROP FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... UPDATE FROM CUSTOMER ... ANSWER DOWNLOAD EXAMIANS APP