Explain what are the advantages of views?
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Design database draw er diagram for a certain scenario ?
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What is a data segment ?
How many file formats are supported to export data?
What is snapshot is too old? Give and example for better understand.
Explain the use of indexes option in exp command.
I have table-A(1,2,3,4,4,5,6,6,6,7). how to get all duplicate values?what is sql query?
Can we write dml statement in function in oracle?
How can we Update a table with out using UPDATE command?
How you open and close a cursor variable.Why it is required?
In what script is snap$ created? In what script is the scott/tiger schema created?
How to upsert (update or insert into a table)?
How to handle a single quote in oracle sql?