What are joins..how many types of joins are there?
Answer Posted / prabhat shukla
Basically there are three types of join
1.Inner join
2.Outer join
3.self join
and there are two types of join based on condition.
1.equi-join(if we use equal operator while joining tables)
2.Non-equi-join( if we use other than equal operator while
joining tables.(this on is rarely used.)
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