编写 Oracle SQL 查询
Write Oracle SQL queries
如何根据 SQL.
中的人口数量对每个国家/地区进行排名
尝试
SELECT * FROM (
SELECT country, count(people) as count FROM your_table GROUP BY country
) ORDER BY count DESC
如何根据 SQL.
中的人口数量对每个国家/地区进行排名尝试
SELECT * FROM (
SELECT country, count(people) as count FROM your_table GROUP BY country
) ORDER BY count DESC