joins

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joins

sathishmssql

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May 5, 2008 at 5:15 am

#380311

Hello,
how many types of joins and briefly explain them.
Regards,
sathish.

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Mahesh Bote SSCrazy Eights Points: 9107 More actions · Answer 1

[font="Verdana"]

1] Inner Join: Returns the matching records from both the tables

2] Outer Join

2.1] Left Outer Join: Returns the matching records from both the tables + rest the records from Left side table

2.2] Right Outer Join: Returns the matching records from both the tables + rest the records from Right side table

2.3] Full Outer Join:

3] Self Join: Means a table joined to itself. It returns the records from that table.

4] Cross Join: Returns the Cartesian product.

Mahesh

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MH-09-AM-8694

Grant Fritchey SSC Guru Points: 398882 More actions · Answer 2

This is the kind of information you can get out of the Books Online as well as a gazillion third party books and web sites. Do a little basic research first and then if you get stuck, start posting the questions and people will help out. Fundamental stuff like this can't be adequately covered in small posts like above (as clear, concise, and accurate as it is).

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GSquared SSC Guru Points: 260824 More actions · Answer 3

Was this an interview question, or something on an exam? Are you looking for some specific data about joins, or just looking for someone to answer an interview question for you?

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tabishghazi Newbie Points: 5 More actions · Answer 4

tabishghazi

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Points: 5

March 10, 2010 at 5:32 am

#1131278

can you plz explain cross join

Mahesh Bote SSCrazy Eights Points: 9107 More actions · Answer 5

[font="Verdana"]Refer BOL for more information

Mahesh[/font]

MH-09-AM-8694

nigel. SSChampion Points: 11636 More actions · Answer 6

tabishghazi (3/10/2010)
can you plz explain cross join

Try this: CROSS JOIN

Nigel
How to post questions

Kash SSC Journeyman Points: 79 More actions · Answer 7

Nice explanation about the joins,

I found this blog post [http://slackerdba.blogspot.com/] that gives good details about the basic joins with good examples.

Hope that helps.

ColdCoffee SSC-Dedicated Points: 39972 More actions · Answer 8

This is one another nice simple-english visual-representative article on Baiscs of Joins from Pinal Dave; click on the link to follow it:

sql-server-introduction-to-joins-basic-of-joins : Pinal Dave[/url]

C'est Pras!!

thunderousity Default port Points: 1466 More actions · Answer 9

This site provides good explanations for SQL joins with lots of useful examples;

http://www.codesnout.com

http://www.codesnout.com/SQLSample/SQL-INNER-JOIN.php

Vedran Kesegic SSCrazy Eights Points: 9302 More actions · Answer 10

Gsquare, excellent signature :hehe:

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prashavhad SSC Enthusiast Points: 165 More actions · Answer 11

Cross join results cartesian product of two or more than two tables.

Cross join matches each record from table1 to table2

Eg. if table1 contains 5 records and table2 contains 4 records then our result is 20 records.

webappenthu Valued Member Points: 70 More actions · Answer 12

I am looking for some good video tutorials on joins.

Found some good ones here

http://sqlserver2012tutorial.com/

http://blog.sqlauthority.com

Could anybody suggest some more?

Thanks