sql multiple joins

Today, We want to share with you sql multiple joins.In this post we will show you case statement in sql multiple joins, hear for Combining multiple joins we will give you demo and example for implement.In this post, we will learn about SQL JOIN, JOIN Syntax, JOIN Differences, 3 tables with an example.

SQL multiple joins for beginners with examples

In this tutorial we learn to all about having Examples like as a Multiple Join, Mixed Left and Right Join With Inner Join, Mixed JOINs with Full JOIN, MySQL Multiple Joins in one query, Joining three or more tables, Filtering in the ON clause, Joining Three or More Tables or many more.

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Also Read: SQL multiple joins for beginners with examples

Multiple Join in SQL Example

SELECT v.name, c.name,  p.sirnm
FROM system v
INNER JOIN game c ON  v.game_id = c.id
INNER JOIN student p ON v.student_id = p.id ;

Mixed Left and Right Join With Inner Join

SELECT v.name system_name, c.name game_name,  p.sirnm
FROM student p
LEFT JOIN system v ON  v.student_id = p.id
INNER JOIN game c ON v.game_id = c.id ;

Mixed JOINs with Full JOIN

SELECT p.sirnm, v.name, c.name
FROM system v
FULL JOIN game c ON  v.game_id = c.id
FULL JOIN student p ON v.student_id = p.id ;

MySQL Multiple Joins in one query

SELECT profile_data.headline, profile_data.message, profile_messages.image_id, images.filename
FROM profile_data 
    INNER JOIN profile_messages 
        ON profile_message_id = profile_messages.id
    INNER JOIN images
        ON profile_messages.image_id = images.image_id 

Joining three or more tables in SQL

select s_name, score, status, address_city, email_id,
accomplishments from pupil s inner join marks m on
s.s_id = m.s_id inner join details d on 
d.collage_id = m.collage_id;

Multiple Joins Work just like Single Joins

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Filtering in the ON clause

SELECT factories.redirecturl AS factories_redirecturl,
       factories.name AS factories_name,
       investments.factory_redirecturl AS investments_redirecturl,
       investments.acquired_at AS acquired_date
  FROM tutorial.crunchbase_factories factories
  LEFT JOIN tutorial.crunchbase_investments investments
    ON factories.redirecturl = investments.factory_redirecturl
 ORDER BY 1

Filtering in the WHERE clause

SELECT factories.redirecturl AS factories_redirecturl,
       factories.name AS factories_name,
       investments.factory_redirecturl AS investments_redirecturl,
       investments.acquired_at AS acquired_date
  FROM tutorial.crunchbase_factories factories
  LEFT JOIN tutorial.crunchbase_investments investments
    ON factories.redirecturl = investments.factory_redirecturl
 WHERE investments.factory_redirecturl != '/factory/1000memories'
    OR investments.factory_redirecturl IS NULL
 ORDER BY 1

Joining Three or More Tables

SELECT   P.ProfileNm, P.SirNm,
         PP.PhoneNumber, PT.Name
FROM     Visitor.Visitor AS P
         INNER JOIN
         Visitor.VisitorPhone AS PP
         ON P.CareerEntityID = PP.CareerEntityID
         INNER JOIN
         Visitor.PhoneNumberType AS PT
         ON PP.PhoneNumberTypeID = PT.PhoneNumberTypeID
WHERE    P.SirNm LIKE 'C%'
ORDER BY P.SirNm

I hope you get an idea about sql multiple joins.
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