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  1. stackoverflow.com › questions › 2177543MySQL - Using If Then Else in MySQL UPDATE or SELECT Queries

    1 lut 2010 · 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; I have seen CASE expression and IF expression in Procedures and Functions but I want to use it in a simple update/select statement.

  2. dirask.com › posts › MySQL-UPDATE-query-with-IF-condition-conditional-update-pOv4JDMySQL - UPDATE query with IF condition (conditional update)

    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. www.w3schools.com › mysql › mysql_updateMySQL UPDATE Statement - W3Schools

    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. www.mysqltutorial.org › mysql-stored-procedure › mysql-if-statementMySQL IF Statement - MySQL Tutorial

    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 ...

  5. dev.mysql.com › doc › enMySQL :: MySQL 8.4 Reference Manual :: 15.2.17 UPDATE Statement

    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. dba.stackexchange.com › questions › 135505mysql - Multiple Update with Multiple Conditions - Database ...

    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 ...

  7. stackoverflow.com › questions › 9723073How to use If Then Else in a MySQL update query?

    15 mar 2012 · With the help of below mentioned query you can update salary field based on conditions. It's a single line update query to update multiple rows in a table based on conditions. UPDATE table SET salary = Case WHEN designation='developer' THEN salary + salary*0.20 WHEN designation='manager' THEN salary + salary*0.30 END

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