Explain integrity constraint?
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waht is the difference between primary key and super key?
Query to get max and second max in oracle in one query ?
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Explain the use of show option in imp command.
wirte the syntax of update query?
Point the difference between translate and replace?
What are the different approaches used by Optimizer in choosing an execution plan ?
Does a Before form trigger fire when the parameter form is suppressed ?
What is a public synonym?
how to code performance tuning of oracle PL/SQL? can any body send me the perfect answer?
How to manage transaction isolation level?
What is the difference between Outer join and Full outer join?
If youre unsure in which script a sys or system-owned object is created, but you know its in a script from a specific directory, what UNIX command from that directory structure can you run to find your answer?