Stored procedure insert not updating database

Posted by / 01-Apr-2020 11:00

The general form to use is: contains the update values; we use joins to do the matching.Let suppose that someone has accidentally updated all esql Sales Person. How can we easily repopulate this data without having to retype it in?Knowing that esql Sales Person was originally populated by information from Sales we use knowledge to set up a query that pumps data from v Sales Person into esql Sales Person.

For instance, if a field is defined as CHAR(10) and you update the value ‘Kris’ into this column, then it will be padded with six spaces.

ON DUPLICATE KEY UPDATE is a Maria DB/My SQL extension to the INSERT statement that, if it finds a duplicate unique or primary key, will instead perform an UPDATE.

The row/s affected value is reported as 1 if a row is inserted, and 2 if a row is updated, unless the API's Where two rows match the unique keys match, only the first is updated.

In this article we’ll explore how to use the UPDATE statement.

We discuss some best practices, limitations, and wrap-up with several examples.

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For example, a products dimension table has information about the products and you need to sync-up this table with the latest information about the products from the source table.

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