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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. 19 kwi 2024 · To solve all the problems, you should know the following: the IF function, the nested IF, the Fill Handle, structured reference with the IF function, and custom cell formatting. These are available in any version of Excel.

  4. 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).

  5. downloads.mysql.com › docs › mysql-for-excel-enMySQL for Excel

    MySQL for Excel is an add-in that enables you to browse MySQL schemas, tables, views, and procedures from within Microsoft Excel. With MySQL for Excel, you can perform the following operations: • Import MySQL data into Excel. • Export Excel data to MySQL as a new table or append data to an existing table.

  6. 19 wrz 2024 · Importing Excel data into MySQL is a common task for database administrators and data analysts. Let’s explore the top three methods to accomplish this: Coefficient: A streamlined spreadsheet-based import solution; MySQL Workbench: The built-in GUI tool for data import; Command-line: Using MySQL’s LOAD DATA INFILE command; Each method has ...

  7. 21 sie 2024 · The IF statement is a control flow structure used to execute SQL code based on conditions, whereas the IF() function is a MySQL function used within queries to return a value based on whether a condition is true or false.