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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.
28 maj 2016 · When I need to update multiple rows with different values for a column, I simply use Excel to create the update queries (multiple). Here's an example SQL Fiddle . If I have a list like:
16 lis 2016 · I have the following code which inserts data into a table with ADODB connection or updates table depending on the if statement. VBA Code: Sub Button1Click() If Sheet3.Range("N3") <> True Then insertDATA Else updateDATA End If End Sub
26 lut 2014 · MySQL: Update table using subquery, Excel data. 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).
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:
16 kwi 2016 · However, given how the conditions are re-used in your UPDATE statement, you could also take a different approach altogether: represent the affected IDs and the new values as a derived table and use an update with a join:
2 cze 2016 · I'm trying to create an sql query that pulls two columns from the excel file (JobNo and CustManRef), and updates the field 3rdPartyRef from the job_new table but only where the field DocketNo from the job_dockets is equal to the JobNo column from the excel file.
