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Editorial Team
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Asked: 2026-06-01T18:17:03+00:00

I have 7 SQL Query to do a task like this : 1. UPDATE

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I have 7 SQL Query to do a task like this :

1. UPDATE Customer SET CustomerService = 'perta' WHERE FirstName = 'john';
2. UPDATE Customer SET Flag = 1 WHERE OrderNum BETWEEN 2 AND 29;
3. UPDATE Customer SET PurchaseNum = PurchaseNum + 60 WHERE OrderNum BETWEEN 2 AND 29;
4. UPDATE Customer SET OrderNum = OrderNum + 60 WHERE OrderNum BETWEEN 2 AND 29;
5. UPDATE Customer SET PurchaseNum = PurchaseNum - 28 WHERE (PurchaseNum > 29 AND PurchaseNum <= 89) AND (Flag <> 1);
6. UPDATE Customer SET OrderNum = OrderNum - 28 WHERE (OrderNum > 29 AND OrderNum <= 89) AND (Flag <> 1);
7. UPDATE Customer SET Flag = 0 WHERE OrderNum BETWEEN 62 AND 89;

is it possible to ‘compress’ those SQL Queries into 1 Query?

because I’m afraid that user cancel the process by pressing the ESC button (after he/she press the SUBMIT button), those sequence will be broken in the middle and my table will be messy as well.

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1 Answer

  1. Editorial Team

    If you are using MySQL then see this link it shows you how to implement transaction in MySQL.

    http://dev.mysql.com/doc/refman/5.5/en/commit.html

    Transaction helps us in many scenario and you are handling one of them where you want to update multiple database tables.

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