What is oracle rownum?
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Why do I get java.lang.abstractmethoderror when trying to load a blob in the db?
what is the difference between simple view and complex view?
How to invoke the original export import utilities?
how will I find the first 5 highest salaried employees in each dept in oracle.
What is a heap related to database ?
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How to get execution statistics reports on query statements?
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How to define an anonymous block?
What is indexing, and how does it improve performance?
How to delete a column in an existing table in oracle?
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select * from emp what happened internally when we write this query in the sql prompt?