Explain armstrong rules? How they are complete and/or sound?
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What is the difference between hashed file stage and sequential file stage in relates to datastage server?
Define entity, entity type, and entity set.
What is foreign key in database?
Explain the terms specialization and generalization.
What are the ways to controlling cursor behavior?
Define primary and unique key?
What is 'cross join'? Or what is cartesian product?
Is it possible to declare or create a cursor for update of table? If yes tell me how?
Explain bcnf (boyce-codd normal form)?
Define data, entity, domain and referential integrity?
Where is the data stored in a database?
Discuss some of the techniques that can be used to tune operational performance.
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