해커랭크 SQL Basic Select Select All 문제 SELECT * FROM CITY 더보기 Revising the Select Query I 문제 SELECT * FROM CITY WHERE POPULATION >=100000 AND COUNTRYCODE ='USA' 더보기 Revising the Select Query II 문제 SELECT NAME FROM CITY WHERE POPULATION >= 120000 AND COUNTRYCODE = 'USA' 더보기 Select By ID 문제 SELECT * FROM CITY WHERE ID=1661 더보기 Japanese Cities' Attributes 문제 SELECT * FROM CITY WHERE COUNTRYCODE = 'JPN..
