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我的SQL Case命令怎么了?

[英]What's wrong with my SQL Case command?

SELECT *
FROM booking  
CASE
WHEN Travel_Date <= getDate() THEN 'Past Travel
ELSE 'Future'
END AS 'Has travel happened'

尝试这个:

SELECT *, 
  CASE 
    WHEN Travel_Date <= CURDATE() THEN 'Past Travel' 
    ELSE 'Future' 
  END AS 'Has travel happened' 
FROM booking

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