What is ORDER BY 1, 2, 3 in SQL?
When using ORDER BY 1, 2, 3 , we're instructing the database to sort the results based on the first, second, and third columns in the SELECT list. ORDER BY 2 DESC , 3 DESC , 1 ASC ; Now, we're instructing the database to group the results based on the second, third, and first column in the SELECT list. Lees verder »
Bron: learnsql.com
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