What is a trigger and what are its types in oracle?
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what is a cartition product?
You create a private database link and upon connection, fails with: ORA-2085: connects to . What is the problem? How would you go about resolving this error?
emp numb is unique because that is primary key,,but what is foreign key .. explain very clear with example
What are the data types in oracle?
write sql query following source are EmpID, Salary 101 1000 102 2000 103 3000 I want the output format like following empid,sal,composite_sal 101 1000 1000 102 2000 3000 103 3000 6000
Explain the difference between a procedure and a function? What do you understand by those terms?
What are virtual columns?
What is meant by raw datatype?
What happens to the data files if a tablespace is dropped?
What is oracle join syntax?
how to insert data into partitioned table partition done by Range partition
How to resolve name conflicts between variables and columns?