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  1. 1 lut 2010 · How do I update a table and set different values upon the condition evaluating to True. For instance : UPDATE Table SET A = '1' IF A > 0 AND A < 1 SET A = '2' IF A > 1 AND A < 2 WHERE A IS NOT NULL;

  2. In this article, we would like to show you UPDATE query with IF condition in MySQL. Quick solution: UPDATE `table_name` SET `column_name` = IF(condition , if_true, if_false); Practical example. To show UPDATE query with IF condition, we will use the following users table:

  3. The MySQL UPDATE Statement. The UPDATE statement is used to modify the existing records in a table. UPDATE Syntax. UPDATE table_name. SET column1 = value1, column2 = value2, ... WHERE condition; Note: Be careful when updating records in a table! Notice the . WHERE clause in the UPDATE statement.

  4. 7 mar 2024 · This Tutorial Explains the MySQL UPDATE Statement Alongwith Query Syntax & Examples. You will Also Learn Different Variations of MySQL Update Table Command.

  5. The WHERE clause, if given, specifies the conditions that identify which rows to update. With no WHERE clause, all rows are updated. If the ORDER BY clause is specified, the rows are updated in the order that is specified. The LIMIT clause places a limit on the number of rows that can be updated.

  6. 21 lut 2013 · MySQL supports IF statement. UPDATE abbonamento. SET punti = IF(tipo = 'punti', punti - 1, punti), bonus = IF(tipo <> 'punti', bonus - 1, bonus) WHERE id = 17. or you can also use CASE. UPDATE abbonamento. SET punti = CASE WHEN tipo = 'punti' THEN punti - 1 ELSE punti END, bonus = CASE WHEN tipo <> 'punti' THEN bonus - 1 ELSE bonus END.

  7. 16 kwi 2016 · For this example, you would have to use the standard logical operators: UPDATE Tests SET TestScore = CASE WHEN (TestId = 10 AND TestSubId = 25) THEN 1000 WHEN (TestId = 11 AND TestSubId = 22) THEN 1100 END, TestScore2 = CASE WHEN (TestId = 10 AND TestSubId = 25) THEN 2000 WHEN (TestId = 11 AND TestSubId = 22) THEN 2100 END WHERE (TestId = 10 ...

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