How is data stored in dbms?
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Can you have a nested transaction?
What are defaults? Is there a column to which a default can't be bound?
Explain about the hierarchical model of the database?
What are data modelling techniques?
What are the three basic rules which are to be followed for the relational model of the database?
You are testing the performance of a query the first time you run the query, the performance is slow. the second time you run the query, the performance is fast. why is this?
What are the disadvantages of cursors? How can you avoid cursors?
How would you design a database for an online site, which would average a million hits a day?
What is dbms explain in brief?
What is a join and explain different types of joins?
Why does this query return 0?
Explain the family trees and connection by clause.
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