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MySQL Cross Join Tutorial | Beginner Tutorial with examples
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This video will discuss mysql cross join with examples. Different type of joins is there : self join, inner join, left join, right join, full join and cross join.
I am using phpmyadmin for executing queries
The CROSS JOIN keyword returns all records from both tables (table1 and table2).
CROSS JOIN Syntax
SELECT column_name(s)
FROM table1
CROSS JOIN table2;
Note: CROSS JOIN can potentially return very large result-sets!
Note: The CROSS JOIN keyword returns all matching records from both tables whether the other table matches or not. So, if there are rows in "Customers" that do not have matches in "Orders", or if there are rows in "Orders" that do not have matches in "Customers", those rows will be listed as well.
If you add a WHERE clause (if table1 and table2 has a relationship), the CROSS JOIN will produce the same result as the INNER JOIN clause.
In video, example of employee with its address is shown
#knowledgethrusters #mysql #joins
I am using phpmyadmin for executing queries
The CROSS JOIN keyword returns all records from both tables (table1 and table2).
CROSS JOIN Syntax
SELECT column_name(s)
FROM table1
CROSS JOIN table2;
Note: CROSS JOIN can potentially return very large result-sets!
Note: The CROSS JOIN keyword returns all matching records from both tables whether the other table matches or not. So, if there are rows in "Customers" that do not have matches in "Orders", or if there are rows in "Orders" that do not have matches in "Customers", those rows will be listed as well.
If you add a WHERE clause (if table1 and table2 has a relationship), the CROSS JOIN will produce the same result as the INNER JOIN clause.
In video, example of employee with its address is shown
#knowledgethrusters #mysql #joins