What are the main differences between primary key and unique key?
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Define "correlated subqueries".
what is Data Definiton Language ?
Give us a non-computer example of preemptive and non-preemptive scheduling?
How many types of database languages are?
Is it possible to use Transactional control statements in Database ?
What are stored-procedures? And what are the advantages of using them.
What is database join?
What is join? Mention its types.
What is natural key?
What are the characteristics of database?
Where is data stored in a database?
What is sql in database management system?
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