What do you understand by a database object? Can you list a few of them?
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How to delete multiple rows from a table in oracle?
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Explain rename?
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How do I connect to oracle?
what are indexes..how many types of index's are there and what are they?
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1.What is inline function in oracle and its purpose? 2.What is the equivalent operator for "different from pattern" in oracle? 3. If you define a variable in oracle, how it will be available? [a. Until database shut down b. Until table deleted c. until session get expired]
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emp numb is unique because that is primary key,,but what is foreign key .. explain very clear with example