We create a trigger using the T-SQL 'create trigger' command, specifying both the table to monitor (PurchaseOrders) and the actions that cause it to fire (insert, update). Within the program code we ...
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Assuming that you will have a table that holds the job details, then the obvious way would be to include a 'Job Expiry Date' column, which will be automatically ...
The 'magic' for want of a better word that makes this happen is triggers. This is a feature of high-end database systems like Oracle, SQL Server and MySQL that causes program code to execute via the ...