Introduction to SQL Most companies keep at least two versions of any database they are using. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of the countries whose condition is 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'); SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location WHERE condition = 'sunny'; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which of the following is not a data definition language commands? RENAME UPDATE REVOKE GRANT RENAME UPDATE REVOKE GRANT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT city FROM weather; SELECT humidity = 89 FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT city WHERE humidity = 89; SELECT city FROM weather; SELECT humidity = 89 FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT city WHERE humidity = 89; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A view is which of the following? A virtual table that cannot be accessed via SQL commands A base table that cannot be accessed via SQL commands A virtual table that can be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A base table that cannot be accessed via SQL commands A virtual table that can be accessed via SQL commands A base table that can be accessed via SQL commands ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: UPDATE FROM CUSTOMER ... REMOVE FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... DROP FROM CUSTOMER ... UPDATE FROM CUSTOMER ... REMOVE FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... DROP FROM CUSTOMER ... ANSWER DOWNLOAD EXAMIANS APP
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