Question: Explain the relationship between a derived attribute and a computed column, and give an example. 3. Briefly define each of the following:

Explain the relationship between a derived attribute and a computed column, and give an example.  

 

3.  Briefly define each of the following:  

a.  natural join

b.  left outer join

c.  right outer join

d.  full outer join

e.  cross join

f.  recursive join

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