Category: Database

MySQL SELF JOIN

A SELF JOIN is a join that is used to join a table with itself. However, there is a need to combine data with other data in the same table itself. In that case, we use Self...
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MySQL CROSS JOIN

Cross JOIN is a simplest form of JOINs which matches each row from one database table to all   rows of another. In other words, it gives us combinations of each row of first table with all records in second table. Syntax SELECT...
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MySQL RIGHT JOIN

RIGHT JOIN returns all the rows from the right table even if no matching rows have been found in the left table. Its returned null if no row matches the condition on left table. Syntax SELECT column_list FROM table_1 RIGHT JOIN...
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