1、Revising the Select Query I

Query all columns for all American cities in CITY with populations larger than 100000. The CountryCode for America is USA.

SELECT * FROM CITY WHERE COUNTRYCODE = ‘USA‘ AND POPULATION > 100000;

2、Revising the Select Query II

Query the names of all American cities in CITY with populations larger than 120000. The CountryCode for America is USA.

SELECT NAME FROM CITY WHERE COUNTRYCODE = ‘USA‘ AND POPULATION > 120000;

HackerRank【SQL】

原文：https://www.cnblogs.com/wzs-python/p/11211769.html