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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.
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:
19 wrz 2024 · Are you struggling to transfer your Excel data into MySQL? This comprehensive guide will walk you through three effective methods to import Excel data into MySQL, ensuring you can choose the best approach for your specific needs.
Excel cannot open the file XXX.xlsx" because the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file. After many searches I noticed that many have had this same problem.
How to connect to a MySQL database from Excel, fetch the latest data from it, and work with that data inside your spreadsheets in Excel. 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.
29 lip 2024 · Importing an Excel file into MySQL is a straightforward process when broken down into manageable steps. By converting your file to a CSV, setting up your MySQL table correctly, and using the appropriate SQL commands, you can ensure your data is imported smoothly and efficiently.
24 mar 2017 · 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. Now, I want to reimport it and update the table with the modification done on the data without having to drop/empty the table and reimport.
