Difference between revisions of "SELECT Quiz"

From SQLZOO
Jump to: navigation, search
Line 4: Line 4:
 
|type="()"}
 
|type="()"}
 
-A. SELECT name, population FROM bbc WHERE population BETWEEN (100000000, 200000000)
 
-A. SELECT name, population FROM bbc WHERE population BETWEEN (100000000, 200000000)
 +
|| this is wrong
 
-B. SELECT name, population FROM bbc WHERE population BETWEEN 100000000, 200000000
 
-B. SELECT name, population FROM bbc WHERE population BETWEEN 100000000, 200000000
 
+C. SELECT name, population FROM bbc WHERE population BETWEEN 100000000 AND 200000000
 
+C. SELECT name, population FROM bbc WHERE population BETWEEN 100000000 AND 200000000

Revision as of 14:07, 23 July 2012

SELECT quiz

1. Select the code which shows the countries with a population between 100000000 and 200000000

A. SELECT name, population FROM bbc WHERE population BETWEEN (100000000, 200000000)
→ this is wrong
B. SELECT name, population FROM bbc WHERE population BETWEEN 100000000, 200000000
C. SELECT name, population FROM bbc WHERE population BETWEEN 100000000 AND 200000000
D. SELECT name, population FROM bbc WHERE area BETWEEN 100000000 AND 200000000
E. SELECT population FROM bbc WHERE population BETWEEN 100000000 AND 200000000

2. Select the code which shows the countries that end in A or L

A. SELECT name FROM bbc WHERE name LIKE '%a' AND name LIKE '%l'
B. SELECT name FROM bbc WHERE name LIKE 'a%' AND name LIKE 'l%'
C. SELECT name FROM bbc WHERE name LIKE '%a' OR 'l%'
D. SELECT name FROM bbc WHERE name LIKE '%a' OR name LIKE '%l'
E. SELECT name FROM bbc WHERE name LIKE 'a%' OR name LIKE 'l%'

3. Pick the code which shows the sum population of scandinavia(Denmark, Finland, Sweden and Norway)

A. SELECT SUM(population) FROM bbc WHERE name IN ('Denmark', 'Finland','Sweden')
B. SELECT SUM(population) FROM bbc WHERE name IN ('Denmark', 'Norway', 'Finland','Sweden')
C. SELECT population FROM bbc WHERE name IN ('Denmark', 'Norway', 'Finland','Sweden')
D. SELECT SUM(population) FROM bbc WHERE name IN LIKE ('Denmark', 'Norway', 'Finland' and 'Sweden')
E. SELECT SUM(population) FROM bbc WHERE name IN LIKE ('Denmark', 'Norway', 'Finland','Sweden')

4. Select the code that would show the countries with an area larger than 50000 and a population smaller than 10000000

A. SELECT name, area, population FROM bbc WHERE area > 50000 AND population < 10000000
B. SELECT name, area, population FROM bbc WHERE area < 50000 AND population < 10000000
C. SELECT name, area, population FROM bbc WHERE area = 50000 AND population = 10000000
D. SELECT name, area, population FROM bbc WHERE area > 50000 AND population > 10000000
E. SELECT name, area, population FROM bbc WHERE area < 50000 AND population > 10000000

5. Select the code that shows the population density of China, Australia, Nigeria and France

A. SELECT name, area/population FROM bbc WHERE name IN ('China', 'Nigeria', 'France', 'Australia')
B. SELECT name, area/population FROM bbc WHERE name LIKE ('China', 'Nigeria', 'France', 'Australia')
C. SELECT name, population/area FROM bbc WHERE name IN ('China', 'Nigeria', 'France', 'Australia')
D. SELECT name, population/area FROM bbc WHERE name LIKE ('China', 'Nigeria', 'France', 'Australia')
E. SELECT name, population FROM bbc WHERE name IN ('China', 'Nigeria', 'France', 'Australia')

Your score is 0 / 0
Retrieved from "http://www.sqlzoo.net/w/index.php?title=SELECT_Quiz&oldid=2182"
Personal tools
Namespaces

Variants
Actions
Reference
Toolbox
Google AdSense