How to use cursors for updating in pl sql Free online sex online female for skype sex chat


31-Jan-2018 00:12

For Example: Let's create a table 'product_check' which we can use to store messages when triggers are fired.

It is important to maintain the history of the prices of the products.4)If you ROLLBACK the transaction before committing to the database, the data inserted to the table is also rolled back.There are two types of triggers based on the which level it is triggered.We use cursors when we want to divide a large result set into parts and process each part individually.

If we process it at once, we may have a memory overflow error.To access to a cursor, you need to declare a cursor variable in the declaration section of a block.



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