What is the concept of sub-query in terms of sql?
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Why is the use of dbms recommended? Explain by listing some of its major advantages.
How does distributed database work?
Why is rdbms important?
What you know in mapping of erd to dfd?
Define weak entity set.
What are the advantages of manual database?
Enlist the various transaction phases.
What are different relationships existing in database?
What are service-specific middleware?
What are the features of dbms?
What is 3nf in dbms?
What are new features postgre 9.1?
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