TYPES OF JOIN

Pushpendra Singh

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  1. Pushpendra Singh

    Post:241

    Points:1205
    Types of join

    • 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

  1. Pushpendra Singh

    Post:241

    Points:1205
    Types of join

    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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