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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).
13 gru 2021 · I would like to retrieve some data from another table and put it in my first table. I used this query: UPDATE table_1 SET table_1.firstname = ( SELECT firstname FROM table_2 WHERE table_2.lastname = table_1.lastname LIMIT 1 );
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 mar 2020 · We will create an XL3Link in column N so that when clicked, it will update a certain cell reference to TRUE, allowing the XL3RunSQL to run the SQL statement. Use the following formula: =XL3Link(“”,”Update”,,XL3Address($L4), if(and($P4<>””,$Q4<>””),”TRUE”,”FALSE”)
I want to identify the referenced column dynamically from a value in another cell (A1) so that I can achieve the following result: When I change A1, the formula that counts Table1[DynamicallyReferencedColumnName] gets updated to the new reference. Example: If A1 = names then the formula would equal COUNT(Table1[names]).
23 sie 2012 · I have a table which has approx. 10,000 client records. The table structure look like this: ClientID | FirstName | LastName | PhoneNumber. I am trying to update the PhoneNumber column with a updated Excel file, which only has two columns, ClientID | PhoneNumber.
