SQL Full outer join

The full outer join returns a result table with the matched data of two table then remaining rows of both lefttable and then the right table.

Full Outer Join Syntax is,

select column-name-list
from table-name1 
FULL OUTER JOIN 
table-name2
on table-name1.column-name = table-name2.column-name;

Example of Full outer join is,

The class table,

ID	NAME
1	abhi
2	adam
3	alex
4	anu
5	ashish

The class_info table,

ID	Address
1	DELHI
2	MUMBAI
3	CHENNAI
7	NOIDA
8	PANIPAT

Full Outer Join query will be like,

SELECT * FROM class FULL OUTER JOIN class_info on (class.id=class_info.id);

The result table will look like,

ID	NAME	ID	Address
1	abhi	1	DELHI
2	adam	2	MUMBAI
3	alex	3	CHENNAI
4	anu	null	null
5	ashish	null	null
null	null	7	NOIDA
null	null	8	PANIPAT

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