Oracle INNER JOIN

Inner Join is the simplest and most common type of join. It is also known as simple join. It returns all rows from multiple tables where the join condition is met.

Syntax

SELECT columns  

FROM table1   

INNER JOIN table2  

ON table1.column = table2.column;  

    Image representation of Inner Join

    Oracle Inner Join

    Oracle INNER JOIN Example

    Let’s take an example to perform Inner Join on two tables “Suppliers” and “Order1”.

    Suppliers

    Oracle Inner Join
    Oracle Inner Join supplier

    Order1

    Oracle Inner Join
    Oracle Inner Join order

    This example will return all rows from “suppliers” and “order1” table where there is a matching supplier_id value in both the suppliers and order1 tables.

    Execute the following query

    SELECT suppliers.supplier_id, suppliers.supplier_name, order1.order_number  
    
    FROM suppliers   
    
    INNER JOIN order1  
    
    ON suppliers.supplier_id = order1.supplier_id;  

      Output

      Oracle Inner Join

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