Difference between revisions of "SELECT from BBC Tutorial"

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<h2>What Next</h2>
 
<h2>What Next</h2>
<div class=gamelink style='padding:1ex;border:solid thin gray;border-radius:0.5ex'>[http://sqlzoo.net/40289347/sql3/ Click here to play the SELECT card game]</div>
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<div class=gamelink style='padding:1ex;border:solid thin gray;border-radius:0.5ex'>[https://sqlzoo.net/40289347/ Click here to play the SELECT card game]</div>
 
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   <li>You can to continue practicing the the same techniques
 
   <li>You can to continue practicing the the same techniques

Latest revision as of 17:21, 1 December 2019

bbc
name region area population gdp
Afghanistan South Asia 652225 26000000
Albania Europe 28728 3200000 6656000000
Algeria Middle East 2400000 32900000 75012000000
Andorra Europe 468 64000
...

BBC Country Profiles

In this tutorial you will use the SELECT command on the table bbc:

Summary

Warming up

Read the notes about this table. Observe the result of running a simple SQL command.

SELECT name, region, population FROM bbc
SELECT name, region, population FROM bbc

Large Countries

How to use WHERE to filter records.

Show the name for the countries that have a population of at least 200 million. (200 million is 200000000, there are eight zeros)

SELECT name FROM bbc
WHERE population>250000000
SELECT name FROM bbc
WHERE population>200000000


Give the name and the per capita GDP for those countries with a population of at least 200 million.

per capita GDP is the GDP divided by the population GDP/population

SELECT name, gdp/population FROM bbc
  WHERE population > 200000000

Show the name and population in millions for the countries of 'Middle East' Divide the population by 1000000 to get population in millions.

SELECT name, population/1000000 FROM bbc
  WHERE region='Middle East'

Show the name and population for 'France', 'Germany', 'Italy'

SELECT name, population FROM bbc
  WHERE name IN ('France','Germany','Italy')

Identify the countries which have names including the word 'United'

SELECT name FROM bbc
  WHERE name LIKE '%United%'
Clear your results

What Next