Milky's note

https://www.hackerrank.com/challenges/select-by-id/problem?isFullScreen=true Select By ID | HackerRank Query the details of the city with ID 1661. www.hackerrank.com [문제] Query all columns for a city in CITY with the ID 1661. The CITY table is described as follows: [답] - oracle select * from city where ID = '1661';

https://www.hackerrank.com/challenges/select-all-sql/problem?isFullScreen=true Select All | HackerRank Query all columns for every row in a table. www.hackerrank.com [문제] Query all columns (attributes) for every row in the CITY table. The CITY table is described as follows: [답] - oracle select * from city;

https://www.hackerrank.com/challenges/revising-the-select-query-2/problem?isFullScreen=true Revising the Select Query II | HackerRank Query the city names for all American cities with populations larger than 120,000. www.hackerrank.com [문제] Query the NAME field for all American cities in the CITY table with populations larger than 120000. The CountryCode for America is USA. The CITY table is des..

https://www.hackerrank.com/challenges/revising-the-select-query/problem?isFullScreen=true Revising the Select Query I | HackerRank Query the data for all American cities with populations larger than 100,000. www.hackerrank.com [문제] Query all columns for all American cities in the CITY table with populations larger than 100000. The CountryCode for America is USA. The CITY table is described as fo..