What is the purpose of Order By 1 in SQL select statement

0 votes

I discovered numerous views with an order by 1 clause when browsing through some outdated code at work. What is the result of this?

Example:

Create view v_payment_summary AS
SELECT A.PAYMENT_DATE,
       (SELECT SUM(paymentamount)
          FROM payment B
         WHERE PAYMENT_DATE = B.PAYMENT_DATE
           and SOME CONDITION) AS SUM_X,
       (SELECT SUM(paymentamount)
          FROM payment B
         WHERE PAYMENT_DATE = B.PAYMENT_DATE
           and SOME OTHER CONDITION) AS SUM_Y    
FROM payment A    
ORDER BY 1;
Aug 19 in Database by Kithuzzz
• 12,640 points
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