SQL SELF JOINSThe SQL SELF JOIN is used to join a table to itself as if the table were two tables; temporarily renaming at least one table in the SQL statement. Baseball Stadium Design Software Download there. Syntax. The basic syntax of SELF JOIN is as follows .

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• SQL LEFT JOIN vs LEFT OUTER JOIN, Left Join Subquery.
• A NATURAL JOIN compares all columns of two tables which have the same column-name and the resulting joined table contains those columns once which are same in name in.