What is meant by joins?
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Explain an integrity constrains?
What is a cursor variable?
What is a nvl function? How can it be used?
How to create a new user account in oracle?
Can select statements be used on views in oracle?
How to use subqueries with the exists operator in oracle?
If a table column has is UNIQUE and has NOT NULL, is it equivalent to a PRIMARY KEY column?
An automatic job running via DBMS_JOB has failedKnowing only that its failed, how do you approach troubleshooting this issue?
what are Triggers?
emp numb is unique because that is primary key,,but what is foreign key .. explain very clear with example
What is the meaning of recursive hints in oracle?
What is tns entry?