How to define an explicit cursor in oracle?
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Is postgres faster than oracle?
How to call a sub procedure?
What happens to the data files if a tablespace is dropped?
What are the Limitations of a CHECK Constraint ?
There is a big table with "n" of rows and 40 + columns .It doesn't have primary key.How do you select the primary key. In other words how do you get the duplicate records.
16. Display the order number, order line number and the shipping date. If the shipping date is null, display the string <not shipped yet>.
primary key is foreign key for the same table?
What are the original export and import utilities?
When do you get a .pll extension in oracle? Explain its importance
How to write a left outer join with the where clause in oracle?
What is meant by redo log buffer ?
How can you use check constraints for self referential integrity?