Difference between revisions of "SUM and COUNT Quiz"

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(Created page with "BBC QUIZ <quiz shuffle=none display=simple> {Select the statement that shows the sum of population of all countries in 'Europe' |type="()"} - SELECT name, population FROM bbc ...")
 
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{Select all the statements that show all the countries in 'Africa'
 
{Select all the statements that show all the countries in 'Africa'
|type="[]"}
+
|type="()"}
 
- SHOW country WHERE region = 'Africa'
 
- SHOW country WHERE region = 'Africa'
 
- SELECT country WHERE region LIKE 'Africa'
 
- SELECT country WHERE region LIKE 'Africa'

Revision as of 11:12, 18 July 2012

BBC QUIZ <quiz shuffle=none display=simple> {Select the statement that shows the sum of population of all countries in 'Europe' |type="()"} - SELECT name, population FROM bbc WHERE region = 'Europe' - SELECT population FROM bbc WHERE region = 'Europe' SUM BY region + SELECT SUM(population) FROM bbc WHERE region = 'Europe' - SELECT SUM(population FROM bbc WHERE region = 'Europe') - SUM population FROM bbc WHERE region = 'Europe'

{Select the statement that shows the number of countries with population smaller than 150000 |type="()"} + SELECT COUNT(name) FROM bbc WHERE population < 150000 - SELECT COUNT(population < 150000) FROM bbc - SELECT name FROM bbc WHERE population < 150000 - SELECT population AS COUNT FROM bbc WHERE population < 150000 - SELECT SUM() FROM bbc WHERE population < 150000

{Select the full set of SQL aggregate functions |type="()"} - AVG(), COUNT(), FIRST(), LAST(), SUM() - AVG(), COUNT(), MAX(), MEDIAN(), MIN(), ROUND(), SUM() + AVG(), COUNT(), FIRST(), LAST(), MAX(), MIN(), SUM() - AVG(), COUNT(), MAX(), MIN(), SUM() - COUNT(), SUM()

{Select the statement that shows the average population of 'Poland', 'Germany' and 'Denmark' |type="()"} - SELECT AVG(population) FROM bbc WHERE name = ('Poland', 'Germany', 'Denmark') + SELECT AVG(population) FROM bbc WHERE name IN ('Poland', 'Germany', 'Denmark') - SELECT AVG(population) FROM bbc WHERE name LIKE ('Poland', 'Germany', 'Denmark') - SELECT AVG(population) FROM bbc WHERE name LIKE (Poland, Germany, Denmark) - SELECT population FROM bbc WHERE name IN ('Poland', 'Germany', 'Denmark')

{Select all the statements that show all the countries in 'Africa' |type="()"} - SHOW country WHERE region = 'Africa' - SELECT country WHERE region LIKE 'Africa' + SELECT name FROM bbc WHERE region LIKE 'Africa' + SELECT name FROM bbc WHERE region = 'Africa' - SELECT region = 'Africa' FROM bbc </quiz>