Explain about a primary key?
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Define candidate key, alternate key, composite key?
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Explain what a database is?
Explain about the database management systems.
What is the database development process?
How can you log an error to the server event log from a stored procedure?
What is an application role and explain a scenario when you would use one?
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I HAVE A PI ON COL A THE NEXT DAY I WANT CHANGE THE PI ON COL B? PLS SEND ME THE ANS
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State the acid rules?
how to find the first two highest salaries in deptno in emp table
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