sql joins with examples

Today, We want to share with you sql joins with examples.In this post we will show you natural join in sql, hear for types of joins in sql we will give you demo and example for implement.In this post, we will learn about left join in sql with an example.

SQL JOIN – Inner, Outer, Left and Right Join

In this tutorial we learn to all about having Examples like as a Outer Join, WITH Clause, UNION Clause, CROSS JOIN Clause, Inner Join, Right Outer Join query, Full Outer Join query, SQL LEFT JOIN Example or many more.

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Also Read: SQL multiple joins for beginners with examples

Outer Join

SELECT column_name(s)
FROM table1
LEFT JOIN table2
  ON table1.column_name = table2.column_name;

WITH Clause

WITH temporary_movies AS (
   SELECT *
   FROM movies
)
SELECT *
FROM temporary_movies
WHERE year BETWEEN 2000 AND 2020;

UNION Clause

SELECT name
FROM first_names
UNION
SELECT name
FROM last_names

CROSS JOIN Clause

SELECT shirts.shirt_game,
   pants.pants_game
FROM shirts
CROSS JOIN pants;

Inner Join

SELECT * 
FROM books
JOIN authors
  ON books.author_id = authors.id;

Right Outer Join query

Select memberid, ename, deptid, compartmentname 
from member right outer join compartment 
on member.memberdept = compartment.deptname;

Full Outer Join query

Select memberid, ename, deptid, deptname 
from member full outer join compartment 
on member.memberdept = compartment.deptname;

SQL LEFT JOIN Example

SELECT Shoppers.ShopperName, Requests.RequestID
FROM Shoppers
LEFT JOIN Requests ON Shoppers.ShopperID = Requests.ShopperID
ORDER BY Shoppers.ShopperName;

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