在 SQL 中的 ORDER BY 子句下使用 CASE

Question

Write a SQL query to find all the details of 1970 winners by the ordered to subject and winner name; but the list contain the subject Economics and Chemistry at last.

SELECT *
FROM nobel_win
WHERE year=1970 
ORDER BY
 CASE
    WHEN subject IN ('Economics','Chemistry') THEN 1 //what does 1 mean?
    ELSE 0 //what does 0 mean
 END ASC,
 subject,
 winner;

Answer 1

The case expression returns 1 is the subject is Economics or Chemistry and 0 otherwise. This means that rows with those subjects will get sorted after all the other rows.