What are joins..how many types of joins are there?
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Answer Posted / neet verma
A JOIN is a means for combining fields from two tables by
using values common to each.
there are three types of joins:-
1)inner join
a)eqi join
b)natural join
c)cross join
2)outer join
a)Left outer join
b)Right outer joins
c)Full outer join
3) self join
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