MySQL
sqlzoo.net 답 (SELECT basics)
맥북사고싶다
2020. 9. 1. 15:54
MySQL 쿼리 연습을 할 수 있는 사이트
SQLZOO
New Tutorial: COVID-19 international data. This server is hosted by Edinburgh Napier University https://napier.ac.uk Reference: how to... 1 SELECT How to read the data from a database. 2 CREATE and DROP How to create tables, indexes, views and other things
sqlzoo.net
SELECT basics
--no1
select population from world
where name = 'germany'
--no2
select name, population from world
where name in ('sweden', 'norway', 'denmark');
--no3
select name, area from world
where area between 200000 and 250000