Questions and answers for exam Preparation

MCQs

Total Questions : 15 | Page 1 of 2 pages

Question 1. The UPDATE SQL clause can _____________

update only one row at a time
update more than one row at a time
delete more than one row at a time
delete only one row at a time

Discuss Question

Answer: Option B. -> update more than one row at a time

Question 2. Find the names of these cities with temperature and condition whose condition is neither sunny nor cloudy

SELECT city, temperature, condition FROM weather WHERE condition NOT IN (‘sunny’, ‘cloudy’)
SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN (‘sunny’, ‘cloudy’)
SELECT city, temperature, condition FROM weather WHERE condition IN (‘sunny’, ‘cloudy’)
SELECT city, temperature, condition FROM weather WHERE condition BETWEEN (‘sunny’, ‘cloudy’);

Discuss Question

Answer: Option A. -> SELECT city, temperature, condition FROM weather WHERE condition NOT IN (‘sunny’, ‘cloudy’)

Question 3. SQL query to find the temperature in increasing order of all cities

SELECT city FROM weather ORDER BY temperature
SELECT city, temperature FROM weather
SELECT city, temperature FROM weather ORDER BY temperature
SELECT city, temperature FROM weather ORDER BY city

Discuss Question

Answer: Option D. -> SELECT city, temperature FROM weather ORDER BY city

Question 4. Find the name of those cities with temperature and condition whose condition is either sunny or cloudy but temperature must be greater than 70

SELECT city, temperature, condition FROM weather WHERE condition = ‘sunny’ AND condition = ‘cloudy’ OR temperature > 70
SELECT city, temperature, condition FROM weather WHERE condition = ‘sunny’ OR condition = ‘cloudy’ OR temperature > 70
SELECT city, temperature, condition FROM weather WHERE condition = ‘sunny’ OR condition = ‘cloudy’ AND temperature > 70
SELECT city, temperature, condition FROM weather WHERE condition = ‘sunny’ AND condition = ‘cloudy’ AND temperature > 70

Discuss Question

Answer: Option C. -> SELECT city, temperature, condition FROM weather WHERE condition = ‘sunny’ OR condition = ‘cloudy’ AND temperature > 70

Question 5. Which SQL statement is used to insert new data in a database?