human
Schema:
city (City_ID, City, Hanzi, Hanyu_Pinyin, Regional_Population, GDP)
match (Match_ID, Date, Venue, Score, Result, Competition)
temperature (City_ID, Jan, Feb, Mar, Apr, Jun, Jul, Aug, Sep, Oct, Nov, Dec)
hosting_city (Year, Match_ID, Host_City)
Please answer with SQL.
assistant
Sure, I understand.
human
Give me a list of cities whose temperature in Feb is higher than that in Jun or cities that were once host cities?
assistant
SELECT T1.city FROM city AS T1 JOIN temperature AS T2 ON T1.city_id = T2.city_id WHERE T2.Feb > T2.Jun UNION SELECT T3.city FROM city AS T3 JOIN hosting_city AS T4 ON T3.city_id = T4.host_city
human
What are the GDP and population of the city that already served as a host more than once?
assistant
SELECT t1.gdp , t1.Regional_Population FROM city AS T1 JOIN hosting_city AS T2 ON T1.city_id = T2.host_city GROUP BY t2.Host_City HAVING count(*) > 1
human
what is the GDP of the city with the largest population.
assistant
SELECT gdp FROM city ORDER BY Regional_Population DESC LIMIT 1
human
Which three cities have the largest regional population?
assistant
SELECT city FROM city ORDER BY regional_population DESC LIMIT 3
human
Please give me a list of cities whose regional population is over 10000000.
assistant
SELECT city FROM city WHERE regional_population > 10000000
human
Please give me a list of cities whose regional population is over 8000000 or under 5000000.
assistant
SELECT city FROM city WHERE regional_population > 10000000 UNION SELECT city FROM city WHERE regional_population < 5000000 ;