Search results
1 lut 2010 · Here's a query to update a table based on a comparison of another table. If record is not found in tableB, it will update the "active" value to "n". If it's found, will set the value to NULL. Hope this helps someone else.
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:
This tutorial shows you how to use MySQL IF statement to execute a block of SQL code based on a specified condition.
21 sie 2024 · MySQL IF-THEN-ELSE IF-ELSE Statement: The IF-THEN-ELSEIF-ELSE statement extends conditional logic by allowing multiple conditions to be tested sequentially. If the IF condition is false, the ELSEIF conditions are evaluated one by one.
1 cze 2022 · In this article, we will explain the diversities of MySQL IF function and MySQL IF statement and show their usage examples. Also, we will review other MySQL functions.
26 lut 2014 · Here’s a snippet of SQL code and a procedure for updating a MySQL database table using a subquery and data from Microsoft Excel (or similar). Perhaps you could adapt this solution to your own situation.
WHERE clause in the UPDATE statement. The WHERE clause specifies which record (s) that should be updated. If you omit the WHERE clause, all records in the table will be updated! Below is a selection from the "Customers" table in the Northwind sample database: 120 Hanover Sq.
