SQLZOO练习-Part1: SELECT basics

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Part1: SELECT basics

1. Show the population of Germany.

SELECT population 
FROM world 
WHERE name = 'Germany'

2.Show the name and the population for 'Sweden', 'Norway' and 'Denmark'.

SELECT name, population 
FROM world 
WHERE name IN ('Sweden', 'Norway' , 'Denmark')

3.Show the country and the area for countries with an area between 200,000 and 250,000.

SELECT name, area 
FROM world
WHERE area BETWEEN 200000 and 250000

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