Explain what are the uses of rollback segment?
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How to check your oracle database 10g xe installation?
how will I find the first 5 highest salaried employees in each dept in oracle.
If server is in US and client is in india there is timezone is diffrence, How can we display date in indian time when data is displayed from US server timezone?
3. Adapt your query in (2) above so that only post codes with more than twenty orders are displayed.
Explain mutating triggers.
What are various constraints used in SQL?
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What is index in Oracle?
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Are truncate and delete commands same? If so why?