How to retrieve values from data fields in record variables?
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Select the Nth lowest value from a table?
Do you know about aggregate functions? What is row num function? Can it be used all databases?
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You have 4 instances running on the same UNIX box. How can you determine which shared memory and semaphores are associated with which instance?
What is the difference between count (*), count (expression), count (distinct expression)?
What is the maximum number of CHECK constraints that can be defined on a column ?
Point the difference between translate and replace?
What is Water Mark in Oracle?
How to rename a tablespace in oracle?
What is proxy method?
Can we call a trigger inside a function and function inside a trigger? Give example.
How to start an oracle instance?
What are the different oracle database objects?