Types of join

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Types of join

Pushpendra Singh · Answer

JOIN: Return rows when there is at least one match in both tables
LEFT JOIN: Return all rows from the left table, even if there are no matches in the right table
RIGHT JOIN: Return all rows from the right table, even if there are no matches in the left table
FULL JOIN: Return rows when there is a match in one of the tables

Pushpendra Singh · Answer

We have three types of Joins in sql.
They are
1. Inner join 
2. Outer join 
3. Cross join 
Outer join is further classified as three types.They are 
1.left outer join 
2.right outer join 
3.full outer join.

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Types of join

Pushpendra Singh

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