题解 | #今天的刷题量(一)#

今天的刷题量(一)

https://www.nowcoder.com/practice/e18f56796ae94c3d885e61c8d57a950e

# SELECT NOW()    -- 2024-04-08 22:08:33
# SELECT SUBSTR(NOW(),1,10)   -- 2024-04-08

SELECT 
    SS.name
    ,COUNT(1) cnt
FROM submission S 
LEFT JOIN subject SS ON S.subject_id = SS.id
WHERE S.create_time  = SUBSTR(NOW(),1,10)
GROUP BY S.subject_id ,SS.name
ORDER BY CNT DESC,S.subject_id
;

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