Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs FLASE TRUE Hi Nothing FLASE TRUE Hi Nothing ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 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; SELECT city FROM weather; SELECT humidity = 89 FROM weather; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command is used to change a table's storage characteristics? CHANGE TABLE ALTER TABLE MODIFY TABLE None of these CHANGE TABLE ALTER TABLE MODIFY TABLE None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? DELETE ROLLBACK COMMIT TRUNCATE DELETE ROLLBACK COMMIT TRUNCATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The rows of the result relation produced by a SELECT statement can be sorted, but only by one column. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS