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. UPDATE tableA LEFT JOIN tableB ON tableA.id = tableB.id SET active = IF(tableB.id IS NULL, 'n', 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:
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).
21 sie 2024 · MySQL IF-THEN-ELSE Statement: When the condition checks to be TRUE, the statements between IF-THEN and ELSE execute. On the other hand, the statements (else-statements) between the ELSE and END IF execute. Syntax: IF condition THEN. statements; ELSE. else-statements; END IF; Parameters Used:
1 cze 2022 · There are three types of MySQL IF statements: IF-THEN; IF-THEN-ELSE; IF-THEN-ELSEIF-ELSE; MySQL IF-THEN statement. You can use IF-THEN to run a collection of SQL queries based on a condition. Here is the statement syntax: IF condition THEN statements; END IF; If a specified condition evaluates to: true – statements between IF-THEN and END-IF ...
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 block of statements to execute if none of the conditions is true.
24 mar 2017 · Update a MYSQL Table with an EXCEL. I have a mysql database with tables in it. I am currently able to export the data from this table into an Excel file using phpmyadmin. I modify it in Ms Excel and save it.
