BBC QUIZ/zh

Language:Project:Language policy	[[:{{#invoke:String|sub|BBC QUIZ/zh |1 | }}|English]]

world

name	continent	area	population	gdp
Afghanistan	South Asia	652225	26000000
Albania	Europe	28728	3200000	6656000000
Algeria	Middle East	2400000	32900000	75012000000
Andorra	Europe	468	64000
Brazil	South America	8550000	182800000	564852000000
Colombia	South America	1140000	45600000
Nauru	Asia-Pacific	21	9900
Uzbekistan	Central Asia	447000	26000000
...

選擇代碼找出以U開頭的國家名稱。

SELECT name
  FROM world
 WHERE name
 BEGIN with U

SELECT name
  FROM world
 WHERE name LIKE '%U'

SELECT name
  FROM world
 WHERE name LIKE '%u%'

SELECT name
  FROM world
 WHERE name LIKE U

SELECT name
  FROM world
 WHERE name LIKE 'U%'

選擇代碼以顯示英國United Kingdom的人口。

SELECT population
  FROM 'United Kingdom'

SELECT name
  FROM world
 WHERE population = 'United Kingdom'

SELECT FROM world
 WHERE population IN 'United Kingdom'

SELECT population
  FROM world
 WHERE name = 'United Kingdom'

SELECT population
  FROM world
 WHERE 'United Kingdom' IN name

這個SQL代碼有什麼錯處。預計結果應該是含'France'的單列。

 SELECT continent 
   FROM world 
  WHERE 'name' = 'France'

continent 應該是 'continent'

'name' 應該是 name

'France' 應該是 "France"

'France' 應該是 France

= 應該是 IN

選擇你會從這個代碼獲得的結果。

 SELECT name, population / 10 
  FROM world 
 WHERE population < 10000

Andorra	6400
Nauru	990

Andorra	64000
Nauru	9900

Nauru

99

Nauru

990

Nauru

9900

選擇代碼以顯示在歐洲和亞洲的國家的名稱和人口。

SELECT name
  FROM world 
 WHERE continent IN ('Europe', 'Asia')

SELECT name, population
  FROM world
 WHERE continent IN ('Europe', 'Asia')

SELECT name, population
  FROM world
 WHERE name IN (Europe Asia)

SELECT name, population
  FROM world
 WHERE name IS ('Europe', 'Asia')

SELECT name, population
  FROM world
 WHERE continent = ('Europe', 'Asia')

選擇代碼，結果只有兩行。

SELECT name FROM world
 WHERE name = 'Cuba'

SELECT name FROM world
 WHERE name = 'Cuba'
   AND name = 'Togo'

SELECT name FROM world
 WHERE name EITHER ('Cuba', 'Togo')

SELECT name FROM world
 WHERE name IN ('Cuba', 'Togo')

SELECT name FROM WHERE name IS 'Mali'

選擇你會從這個代碼獲得的結果。

SELECT name FROM world
 WHERE continent = 'South America'
   AND population > 40000000

Afghanistan

Brazil

Colombia

Brazil

Brazil

Colombia

Brazil	South America
Colombia	South America

Brazil	182800000
Colombia	45600000