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从titles表获取按照title进行分组
http://www.nowcoder.com/questionTerminal/72ca694734294dc78f513e147da7821e
题目:从titles表获取按照title进行分组,每组个数大于等于2,给出title以及对应的数目t。
GROUPBY+HAVING
SELECT title, COUNT(*) t
FROM titles
GROUP BY title
HAVING t>=2;
从titles表获取按照title进行分组
http://www.nowcoder.com/questionTerminal/72ca694734294dc78f513e147da7821e
题目:从titles表获取按照title进行分组,每组个数大于等于2,给出title以及对应的数目t。
GROUPBY+HAVING
SELECT title, COUNT(*) t
FROM titles
GROUP BY title
HAVING t>=2;
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