How to use subqueries with the in operator using oracle?
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how to find count rows in table without count function?
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Suppose U install the oracle DB either enterprise edition or express edition in ur personal PC, Is there the Database has been created after ur installation if not then where the oracle's all objects with data be stored?
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Display the order number and the number of months since the order was shipped for all orders that have been shipped in the last year (365 days). (Hint: Unshipped orders will have a null value).
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Select all the employees who were hired in last 2 years and who works in dept where max managers are working.