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  1. 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.

  2. 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.

  3. 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).

  4. This technique is useful if you want to work on MySQL data in Excel and update changes, or if you have a whole spreadsheet you want to import into MySQL. In this example, you will use the Orders table; however, the same process will work for any table that can be retrieved by the CData Excel Add-In.

  5. MySQL for Excel now provides a way to edit a MySQL table's data directly within Excel using a new worksheet as a canvas to update existing data, insert new rows and delete existing ones in a very friendly and intuitive way.

  6. 21 sie 2024 · MySQL offers conditional control flow with IF statements, allowing us to execute blocks of SQL code depending on whether a condition is true or false. In this article, We will learn about What is Decision-Making in MySQL with different statements along with examples and so on.

  7. Excel MySQL Connector serves as an interface allowing Excel to interact directly with MySQL databases. It facilitates data import from MySQL to Excel for analysis, and data export from Excel to MySQL for storage and further processing.

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