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Pushpendra Singh
Pushpendra Singh

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Pushpendra Singh
Pushpendra Singh 26 Oct 2010
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  • 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
Pushpendra Singh 26 Oct 2010
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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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