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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). Perhaps you could adapt this solution to your own situation.

  4. Creating Update Statements. A similar technique can be used to create ‘Update’ statements. In this example we are updating the ‘rrp’ field of the ‘stock’ table for a particular ‘partNo’.

  5. Establish a Connection. If you have not already done so, create a new MySQL connection by clicking From MySQL on the ribbon. The Server and Port properties must be set to a MySQL server. If IntegratedSecurity is set to false, then User and Password must be set to valid user credentials.

  6. UPDATE Table. The following SQL statement updates the first customer (CustomerID = 1) with a new contact person and a new city.

  7. 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.

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