Use of an integrity constraint is better to validate data. Explain
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What is save point in oracle database?
Explain what are the uses of rollback segment?
What to do if the binary spfile is wrong for the default instance?
does Oracle has only one table space?
what is the scenario where you take the database to NoArchivelog mode?
How to update values in a table in oracle?
15. Display the item_cost and then truncate it to the nearest hundred, ten, unit, tenth and hundredth.
17. Display the order number and average item cost for each order.
I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?
What is literal?
What spfile/init.ora file parameter exists to force the CBO to make the execution path of a given statement use an index, even if the index scan may appear to be calculated as more costly?
What is ordinary table in oracle?