Mysql Select distinct records from latest dates only

Question

This is my table structure -

TABLE : COURSE_LOG

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|   ID   |   USERNAME   |  COURSE_ID   |    LDATE   |         


        

Answer 1

You can use MAX:

SELECT  COURSE_ID
    , MAX(LDATE) AS LDATE
    FROM COURSE_LOG
    WHERE USERNAME = 'user1'
    GROUP BY COURSE_ID;