Cross Join

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Full Join in SQL Cross Join in SQL

Cross Join

Cross Join is a the Cartesian product of two or more than two tables that is m number of rows in 1st table and n numbers of rows in 2 nd table then you will get the result of m x n.

cross join

Syntax

	
SELECT * FROM Table-1 CROSS JOIN Table-2  
OR  
SELECT * FROM  Table-1 , Table-2 

Employee table

Emp_idName
101Amit Sukla
102Rahul jain
103Sultan Alam
104Hitesh Kumar

Payment table

Payment_idSalary
10120000
10245000
10450000

Example

	
SELECT * FROM Employee CROSS JOIN Payment  
OR  
SELECT * FROM  Employee , Payment 

Result after execute above query.

Emp_idNamePayment_idSalary
101Amit Sukla10120000
102Rahul jain10120000
103Sultan Alam10120000
104Hitesh Kumar10120000
101Amit Sukla10245000
102Rahul jain10245000
103Sultan Alam10245000
104Hitesh Kumar10145000
101Amit Sukla10350000
102Rahul jain10350000
103Sultan Alam10350000
104Hitesh Kumar10150000

Full Join in SQL Cross Join in SQL

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