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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;
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.
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:
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.
16 kwi 2016 · UPDATE Tests SET TestScore = CASE WHEN TestId = 10 THEN 1000 WHEN TestId = 11 THEN 1100 END, TestScore2 = CASE WHEN TestId = 10 THEN 2000 WHEN TestId = 11 THEN 2100 END WHERE TestId IN (10, 11) But what happens when there two conditions required, namely the joint combo of (TestId, TestSubId)?
Use IF...THEN...ELSE statement to execute a block of statements if a specified condition is true and an alternative block of statements if the condition is false. Use IF...THEN...ELSEIF...ELSE statement to evaluate multiple conditions sequentially and execute corresponding blocks of statements based on the first true condition, with an optional ...
15 mar 2012 · UPDATE table SET A = IF(A > 20, 20, IF(A < 20 && A > 1, A, 0)) WHERE A IS NOT NULL; Add the && A > 1 to the second IF statement and your third condition is satisfied. Edit:
