Introduction to SQL Which of the following is a SQL aggregate function? LEN AVG JOIN LEFT LEN AVG JOIN LEFT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000? Both A and B SELECT name FROM staffinfo WHERE salary IN (10000, 25000); None of these SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; Both A and B SELECT name FROM staffinfo WHERE salary IN (10000, 25000); None of these SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? None of these EXISTS operator IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Select the right statement to insert values to the student table. INSERT VALUES ( INSERT INTO student VALUES ( INSERT VALUES INTO student ( INSERT student VALUES ( INSERT VALUES ( INSERT INTO student VALUES ( INSERT VALUES INTO student ( INSERT student VALUES ( ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? COMMIT TRUNCATE ROLLBACK DELETE COMMIT TRUNCATE ROLLBACK DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ............. joins two or more tables based on a specified column value not equaling a specified column value in another table. OUTER JOIN NATURAL JOIN NON-EQUIJOIN EQUIJOIN OUTER JOIN NATURAL JOIN NON-EQUIJOIN EQUIJOIN ANSWER DOWNLOAD EXAMIANS APP