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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.
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).
This tutorial is step-by-step and shows you how to do everything, from downloading the ODBC drivers (explained in the tutorial) to importing and transforming the data from specific tables in MySQL. Resources. MySQL ODBC Driver. Excel Version: Excel 2007, Excel 2010, Excel 2013, Excel 2016, Excel 2019, Excel 365.
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.
MySQL for Excel. Abstract. This is the MySQLTM for Excel Reference Manual. It documents MySQL for Excel 1.3 through 1.3.8. Much of the documentation also applies to the previous 1.2 series. End of Product Lifecycle. MySQL for Excel is now covered under Oracle Lifetime Sustaining Support.
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:
17 lis 2010 · I want to add a row to a database table, but if a row exists with the same unique key I want to update the row. For example: INSERT INTO table_name (ID, NAME, AGE) VALUES(1, "A", 19); Le...
