SQL SELF JOIN in SQL | SQL Tutorial

Welcome, MSSQL Joins Tutorial in SQL in Hindi. A self-join in SQL is a type of join operation where a table is joined with itself. It involves creating aliases (or table references) for the same table and specifying the join condition to establish the relationship between the aliases. This allows you to combine rows within the same table based on related data.

By using a self-join, you can compare records within a table or retrieve information that is based on relationships within that table. It is particularly useful when dealing with hierarchical or recursive data structures, where each row relates to another row in the same table.

(INNER) JOIN: Returns records that have matching values in both tables
LEFT (OUTER) JOIN: Returns all records from the left table, and the matched records from the right table
RIGHT (OUTER) JOIN: Returns all records from the right table, and the matched records from the left table
FULL (OUTER) JOIN: Returns all records when there is a match in either left or right table
CROSS JOIN
TYPES OF JOIN
BEGINNER OF SQL
ALL JOINS
INNER JOIN
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JOIN IN MSSQL
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Introduction of joins

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to use a self join, you must do all but one of the following. which one is it?
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