Updating pl sql


20-Feb-2016 02:14

2) Statement level trigger - An event is triggered for each sql statement executed.» UPDATE: Update based on a query » UPDATE: Update multiple rows » UPDATE: update a specific record » UPDATE: Single row » UPDATE SQL courses meet the most demanding needs of the business world for advanced education in a cost-effective manner.SQL courses are available immediately for IT professionals and can be taken without disruption of your workplace schedule or processes.There are two types of triggers based on the which level it is triggered.1) Row level trigger - An event is triggered for each row upated, inserted or deleted.Compared to traditional travel-based training, SQL saves time and valuable corporate resources, allowing companies to do more with less.

It is important to maintain the history of the prices of the products.We can create a trigger to update the 'product_price_history' table when the price of the product is updated in the 'product' table.



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