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hi everyone today we will discuss about cross joins cross joins occur when we dont specify a join condition between two tables before writing the sql query lets understand clearly how this cross joins works so here we have employee and department table in the employee table we have three records and in the department table we have two records if you do the cross join it will be the cartesian product that is 3 into 2 we will get 6 records in cross join all the columns from the two tables are returned in the result set each record in the first table is repeated by n number of rows in the second table the first record in the first table matches with the first record in the first table and then the first record in the first table matches with the second record in the second table similarly the second record in the first table matches with the first d card in the second table and the second record matches with the second record in the second table similarly the third record in the first
