LeetCode——595. Big Countries(mysql)
There is a table?World
+-----------------+------------+------------+--------------+---------------+ |?name????????????|?continent??|?area???????|?population???|?gdp???????????| +-----------------+------------+------------+--------------+---------------+ |?Afghanistan?????|?Asia???????|?652230?????|?25500100?????|?20343000??????| |?Albania?????????|?Europe?????|?28748??????|?2831741??????|?12960000??????| |?Algeria?????????|?Africa?????|?2381741????|?37100000?????|?188681000?????| |?Andorra?????????|?Europe?????|?468????????|?78115????????|?3712000???????| |?Angola??????????|?Africa?????|?1246700????|?20609294?????|?100990000?????| +-----------------+------------+------------+--------------+---------------+
A country is big if it has an area of bigger than 3 million square km or a population of more than 25 million.
Write a SQL solution to output big countries' name, population and area.
For example, according to the above table, we should output:
+--------------+-------------+--------------+ |?name?????????|?population??|?area?????????| +--------------+-------------+--------------+ |?Afghanistan??|?25500100????|?652230???????| |?Algeria??????|?37100000????|?2381741??????| +--------------+-------------+--------------+
題解:直接寫sql語句即可
select?name,population,area?from?World?where?area>?3000000?or?population>25000000