SQL Joins Tutorial for Beginners - Inner Join, Left Join, Right Join, Full Outer Join

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  • Опубліковано 22 лис 2024

КОМЕНТАРІ • 560

  • @joeyblue1
    @joeyblue1  3 роки тому +30

    TABLE OF CONTENTS
    00:00​ - Intro
    01:10​ - INNER JOIN
    04:20​ - LEFT JOIN
    07:03​ - RIGHT JOIN
    08:35​ - FULL OUTER JOIN
    09:36​ - Optional OUTER Clause
    10:38​ - Alias the Join Tables
    11:22​ - Format SQL Join
    11:55​ - Filtering SQL Join in WHERE Clause
    12:20​ - Filter SQL OUTER Join in ON Clause
    14:40​ - Filter SQL INNER Join in ON Clause
    15:30​ - RIGHT JOIN can be changed to LEFT JOIN

    • @bridgerenzo6857
      @bridgerenzo6857 3 роки тому

      i dont mean to be offtopic but does any of you know a method to log back into an Instagram account..?
      I was dumb forgot my login password. I would appreciate any assistance you can offer me.

    • @lukalarry7349
      @lukalarry7349 3 роки тому

      @Bridger Enzo instablaster :)

    • @bridgerenzo6857
      @bridgerenzo6857 3 роки тому +2

      @Luka Larry i really appreciate your reply. I found the site on google and im trying it out now.
      Takes a while so I will get back to you later with my results.

    • @bridgerenzo6857
      @bridgerenzo6857 3 роки тому

      @Luka Larry it worked and I now got access to my account again. I am so happy:D
      Thank you so much you saved my account!

    • @lukalarry7349
      @lukalarry7349 3 роки тому

      @Bridger Enzo happy to help :D

  • @momentshub3773
    @momentshub3773 7 років тому +535

    Man, I watched like 6-7 video tutorials about Join in SQL. Your is the only one that I understood. Great explanation!

  • @diamondDog_629
    @diamondDog_629 6 років тому +91

    And I thought Joins were advanced concepts in SQL that I'm not yet ready to understand. God bless you Mr. Blue

    • @airstriker4366
      @airstriker4366 5 років тому

      Create View Transactions AS
      Select tbl_customers.Customer_ID, FirstName, LastName, Address, OrderDate, tbl_payments.Quantity, tbl_product.UnitPrice From tbl_transactions
      INNER JOIN tbl_delivery ON tbl_delivery.Delivery_ID = tbl_transactions.Delivery_ID
      INNER JOIN tbl_customers ON tbl_customers.Customer_ID = tbl_delivery.customer_ID

    • @clhk12
      @clhk12 4 роки тому +5

      @@airstriker4366 print("Weird Flex, but okay...")

  • @twilioguy
    @twilioguy 2 роки тому +1

    It only took me 12 years to understand joins. I was always afraid to touch this topic. Now I have some confidence. Thanks.

  • @GfastGao
    @GfastGao 4 роки тому +1

    Exactlly the thing I need:
    1. No BS agenda
    2. no fancy context description
    3. just thing about the topic and pitfalls I may encounter.
    Congrat, another good vid tutorial found!

  • @ZnSstr
    @ZnSstr 5 років тому

    Finally a dude with a clean microphone, no stupid music and animations. I have been really rusted on sql, since I don't have that much experience either, this helped me a lot and I also learnt something new that you can filter ON clause and also you can use a where after the join.

  • @StefanoVerugi
    @StefanoVerugi 3 роки тому

    One of the best examples of how 15' video beats hours of manuals, lengthy presentations or, God forbid, expensive classes. Much appreciated.

  • @danieldouglas3340
    @danieldouglas3340 5 років тому +14

    Great video! I got a much better grasp on SQL Joins in 18 minutes than I did in my instructor's 2.5 hour lecture. Thank you, sir!

  • @IamPali2024
    @IamPali2024 3 роки тому

    Where has this dude been??!!! I have been developing for over 10 years, and I found this explanation to be coherent and clear as I was looking for a refresher on my SQL skills.
    thank man

  • @markgarrett2971
    @markgarrett2971 2 роки тому

    I have been trying to understand JOINS for the past hour and these 18 minutes broke it down perfectly. Thanks for your clarity!

  • @halildurmaz7827
    @halildurmaz7827 3 роки тому +4

    Clear tutorial ! I cannot understand why the others make this topic hard to understand :) Especially the tiny tables you use, allows us to clearly observe what is happening

  • @4realentropyst230
    @4realentropyst230 6 років тому +2

    Spent an hour reading various tutorials and watching videos on this. Then you saved my nerves.
    This is by far the best and easiest explanation to SQL Joins I've ever seen, I can't thank you enough!

  • @bernardcyrus8189
    @bernardcyrus8189 Рік тому

    Hands down the BEST SQL tutorial on JOINs that I have seen! Makes clear sense!

  • @kamransamoon9086
    @kamransamoon9086 2 роки тому

    I am learning via coursera google course and then i got confused with joins. I watched several videos until I came to your video. I have understood now what JOIN is. Great video. Thanks for sharing. No words can express my appreciation for your work.

  • @ChristinaCamacho-g8r
    @ChristinaCamacho-g8r 6 років тому +39

    I love your pacing. Not too fast or too slow. You're right in the goldilocks zone!

  • @searez7251
    @searez7251 3 роки тому +2

    As someone has said in the comment section, I have watched several videos to get a good grasp (concept) of the SQL joins, in my opinion this tutorial is the best tutorial I found. Simple, clear and to the point. Many thanks & God bless you!

  • @AmitYadav-hn9rn
    @AmitYadav-hn9rn 5 років тому +1

    Goodness, he is the only man who makes sense when it comes to explaining confusing joins, really good. Thanks

  • @Monotoss
    @Monotoss 6 років тому

    I can't agree more with a comment, "Your is the only one that I understood". Same here. Absolutely brilliant explanation. Thanks so much Joey for making this awesome vids. You are the hero in SQL.

  • @user-zz3qw9nr2p
    @user-zz3qw9nr2p 2 роки тому +2

    This is by far the most helpful video I watched about Joins. So simple and straight to the point.

  • @Vpzoe
    @Vpzoe 5 років тому +6

    Read 1-2 paragraphs from 3 different books in 2 mo. on joins. Today I said I'm going to get it. I come home, 18 min later, I'm good. Locked in. THANK-YOU-MR.-BLUE!

  • @benjaminswindle
    @benjaminswindle 5 років тому +3

    I just started using SQL yesterday, and I already have a much higher level of understanding than a few of our developers, thanks Joey! Great series of videos!

  • @JerodimusPrime
    @JerodimusPrime 5 років тому +3

    This is the best SQL join explanation I've found on UA-cam. Thanks for your concise and understandable tutorial.

  • @arlenefvivaldi9677
    @arlenefvivaldi9677 5 років тому +1

    Jesus, Thank You! I've used so many different sources and No one made it as straight forward as did you. Thank you :-)

  • @adivax3
    @adivax3 4 роки тому

    You are the best teacher/instructor EVER!!! I dont know how you do it, but you make learning SQL so easy and enjoyable! Thank you!!!!

  • @THE_joshbeoulve
    @THE_joshbeoulve 3 роки тому

    Thank you Mr. Blue. You succinctly explained in 8 minutes (didn't have to watch the whole vid) what my classroom teacher failed to teach in 45. More power to you, good sir.

  • @Rogueimgs
    @Rogueimgs 4 роки тому

    Good job JB! I've felt like an idiot watching and reading my teachers instructions on joins but after your video I feel like its clearer. Mostly because you explain while showing the queries.

  • @JoshuaMusau
    @JoshuaMusau 2 роки тому

    The best explanation of SQL joins I have ever come across! God bless you.

  • @PatrickburkeTVComedy
    @PatrickburkeTVComedy 7 років тому +87

    Great video. The graphic and audio quality made this very easy to learn.

  • @kanikamaheshwari9732
    @kanikamaheshwari9732 3 роки тому

    This is the most simplest explanation for anybody. Great work sir. Thank You.

  • @rufinosalgado4126
    @rufinosalgado4126 5 років тому +1

    The clearest description of joins I've ever seen.

  • @bimsarademintha6845
    @bimsarademintha6845 4 роки тому +2

    Dude tomorrow is my DBMS exam for my diploma and you've probably saved my life. Hats off mate.

  • @elenatsarapkina8311
    @elenatsarapkina8311 4 роки тому

    How did other tutorials make it so over complicated? So much confusion with the other explanations. You are the best - real SQL GURU !!!

  • @MrBauer73
    @MrBauer73 4 роки тому +1

    Thank you Sir! You have made learning about Joins so simple. I spent hours reading through text books, trying to figure it out, and in less than 20 minutes you succeeded in making it clear to me.

  • @RandjithKumar
    @RandjithKumar 4 роки тому

    After a long time came here to have a quick glance about joins. videos from other channels was confusing. But your was much clear. Thanks a lot Joe.

  • @CoderSprint
    @CoderSprint 5 років тому

    Special Salute. I went on with google for hours. In just 8 minutes you cleared all messed up things!!. Great Job. Thank you.

  • @PlantBasedPietro
    @PlantBasedPietro 3 роки тому

    I always had an idea of how the joins worked and usually experimented until I got the desired results. Now I fully understand the technique!!! Thank you Joey!!!!! :)

  • @bunnyhei
    @bunnyhei 4 роки тому

    Thank you! I always find myself getting lost when people started talking about 'coding' or 'programming'.but your video is so well explained, and I understood what you have taught us. maybe i am not too dumb after all.

  • @sazzadurrahman7293
    @sazzadurrahman7293 5 років тому +1

    Excellent video. I wasted a couple of hours using other resources. Only your video has helped me to understand how join really works

  • @ahmedsehic9019
    @ahmedsehic9019 6 років тому +2

    Many people post tutorials that are just confusing, yours is very clear Thanks Joey

  • @lana1655
    @lana1655 3 роки тому

    Thank you, this is so helpful. I couldn't understand my teacher, your video is 100% clear and on point. I literally have no questions. Really appreciate it. The quality is great too. I never thought that could be an issue in 2021, however, after viewing my teacher's recordings I realized that one must put an effort to make it this good.

  • @nw7us
    @nw7us 4 роки тому

    As so many other people have written, your clear, paced explanation with demonstration really helped me solidify my handle on these basic concepts. I'm subscribing. Thank you for your efforts.

  • @violetadyulgerova1446
    @violetadyulgerova1446 5 років тому +2

    Well after completing two courses on linked in learning and watching like 10 videos on UA-cam, I finally understood how to formulate join query and why do we use that = sign.Thank you so much for the clear, simple explanation!

  • @SS-bo9re
    @SS-bo9re 3 роки тому +1

    This was hands down the best SQL join tutorial I've ever seen in my life! Keep up the good work!

  • @mulugetakebede6651
    @mulugetakebede6651 4 роки тому

    i have been watching so many videos to understand this concept, yours is the only one that makes it so simple to understandable. Thank you so much

  • @mgismondo
    @mgismondo 6 років тому

    I have to agree! After hours of what should be a simple straightforward just simple explanations I FINALLY hit your page! Well done sir!

  • @dushyanthkandiah3718
    @dushyanthkandiah3718 7 років тому +35

    this video should trend on youtube

  • @luckyduck2345
    @luckyduck2345 Рік тому

    I like how simply you explained this. Was the exact video I was looking for. Thanks a bunch!

  • @satya121prakash
    @satya121prakash 3 роки тому

    I was searching EXACTLY this.
    My search ended here.
    Wonderful content.

  • @muletowndumpsters
    @muletowndumpsters 4 роки тому

    The best SQL join video I've come across. Geewiz, everything else has been greek.

  • @isaacvallejo6333
    @isaacvallejo6333 4 роки тому

    This really helped. From reading to watching other tutorials. This one was broken down perfectly and easy to understand thanks!

  • @KyleBrinkerhoff
    @KyleBrinkerhoff 5 років тому

    good lord that is so much more simple than what WGU teaches in their SQL class. you just saved me from so much friggen confusion

  • @イリヤ8787
    @イリヤ8787 5 років тому

    god. this helped me so much on my assignment. I was looking at numerous videos and i couldn't understand any of those until i see yours. I'm so glad that this video exists. thank you so much.

  • @imanqoly
    @imanqoly 7 місяців тому

    After a long long time of procrastinating to understand the joins, finally, thanks a lot

  • @vedatduhadaglar960
    @vedatduhadaglar960 4 роки тому

    The way he explains it is so clear. Really well done

  • @RS250Squid
    @RS250Squid 5 років тому

    My tutor took us through a one hour lecture on joins and a one hour classroom session and all that she did was confuse me hugely and make my head spin! You made this so simple and easy to understand. Thanks :-).

  • @barysznikow
    @barysznikow 2 роки тому

    Dear God, I was looking for someone who explain me how to use joins, and finally You sir made it clear and simple. Thank you!

  • @juliusguevarra3729
    @juliusguevarra3729 3 роки тому

    Thanks for explaining it very clearly. Out of all the videos that I watched regarding this topic, only yours made it all sense to me!

  • @dejasbeautyxoxo1361
    @dejasbeautyxoxo1361 2 роки тому +1

    This was the best explanation of Joins. I appreciate you so much! other videos gave me an idea but this really helped me to comprehend and grasp the content. Thank you so much. You breaking this down step by step made a world of difference.

  • @manilakid3
    @manilakid3 6 років тому

    Best explanation about SQL joins on the Tube. The others try to over complicate things to make themselves sound scientific which defeats the purpose of a tutorial. Thanks Joey.

  • @ekaterinaslavova2320
    @ekaterinaslavova2320 4 роки тому +5

    Finally a tutorial that made things simple and makes sense! Thank you!

  • @lorismiths6951
    @lorismiths6951 5 років тому

    This was the first video I saw of Joey's SQL series, and I must say I'm hooked. I was going to watch the 1hr beginning video. But, I'm very glad I watched this one first. Extremely helpful and look forward to watching all the videos in the series. Just a tip for anyone who is new to T-SQL (Microsoft) or SQL in general. I would personally practice the JOINS he talks about. And even come back, and watch the video a couple times to really help it stick. Again amazing video thank you!

  • @Nrgdumik
    @Nrgdumik 2 роки тому

    for real, this is the best tutorial on JOINS..Great explanation, thanks!

  • @samsbuzz9272
    @samsbuzz9272 4 роки тому +1

    Thanks Joey..Really a simple and the best way of explaining Joins..The best part was the picture where you have shown putting the real tables in it and explaining it which has made it much more easier.Have tried so many videos to learn the concept but hands down you are the best..

  • @Yegorich
    @Yegorich 5 років тому +2

    You are brilliant sir! I understood the concept of inner join as soon as your wrote your fist query. Thanks a lot !

  • @speakup2888
    @speakup2888 4 роки тому

    I wish I had a teacher like you in my school. God Bless You!

  • @aaronmarks7912
    @aaronmarks7912 6 років тому

    Just stopping by to tell you - this is a great resource for folks who are new to SQL OR for developers who are trying to level up on SQL skills. Thanks for taking the time to make this!

  • @jjones40
    @jjones40 5 років тому +2

    Good job. Finally... a video that clearly explains this topic. Thanks.

  • @kitta75
    @kitta75 3 роки тому +1

    Very good one & helpful. Simple and easy to understand in few minutes

  • @nyanners8106
    @nyanners8106 5 років тому

    Good work, spoken in the language of the people!

  • @JohnSmith-hn6kv
    @JohnSmith-hn6kv 6 років тому

    This is probably the best Join video I've watched. Caleb should watch your videos for production values inspiration!

  • @georgecristianiordan3712
    @georgecristianiordan3712 6 років тому +2

    great man we owe you a lot, great explanations, great teacher!!!First I was learning without the app installed and I couldn't understand a thing, then I installed the Microsoft sql and I learned all your tutorials, I even created those tables that you show them in that video alone to understand better... Your are the best! thanks a lot.

  • @ABHIJEETSINGH-gm6te
    @ABHIJEETSINGH-gm6te 5 років тому

    i would recommend this channel to everybody.

  • @kopilkaiser8991
    @kopilkaiser8991 Рік тому

    Brilliant tutorial. You were right on the spot to explain about this topic. It was really easier to understand SQL joins thanks to you

  • @vespa731
    @vespa731 6 років тому +7

    Thank you so much for this video! I've watched so many PowerPoint presentations and lectures and your video was the only one that actually helped me understand joins! Thanks again

  • @mattmattelig
    @mattmattelig 5 років тому

    using the venn diagrams to explain the concept was genius. Thank you for your great tutorial. thumbs up

  • @muhammadasim8873
    @muhammadasim8873 5 років тому +3

    10 Years of using Excel... Well Versed in using DAX... but never understood SQL Joins.... But this video changed it all... Thanks Joey... May Allah Bless you.... would love if you could start a DAX Series as well.... Thanks in advance....

  • @MostafaMASLOUHI
    @MostafaMASLOUHI 4 роки тому

    This is the first time I understand these stuffs. THANK YOU

  • @resulrustemi8330
    @resulrustemi8330 4 роки тому

    i watched over 20 videos and finally i found this video . very well explained 😉

  • @DallasOakCliff
    @DallasOakCliff 6 років тому +90

    This dude is the Michael Jordan of SQL vids.

  • @xiesherry8624
    @xiesherry8624 5 років тому

    That's really helpful. I think it's better than the on-site SQL course. Internet provides great sources. We should make good use of it.

  • @mariaelenarebolledo8696
    @mariaelenarebolledo8696 3 роки тому

    Nice! Straight to the point on SQL JOINS and the explanation is very clear. Thank You!

  • @isaacsmoli
    @isaacsmoli 5 років тому +2

    Congrats, two years later and continuous amazing. I can understand everything with your videos.

  • @ashwinjambhekar8063
    @ashwinjambhekar8063 4 роки тому

    Perfect! The venn diagram makes it so much easier to understand.

  • @hannav7125
    @hannav7125 4 роки тому

    Thank you Joye your voice is so calm and relaxed to listen too. This is extremely helpful.

  • @igorsmet1123
    @igorsmet1123 4 роки тому

    Literally the most straightforward video I could find, thank you so much. Now all those joins make perfect sense. 🙌

  • @Mous132
    @Mous132 5 років тому +3

    40 minutes before my exams, you saved me ! Thanks !

  • @randomguy-dd6mn
    @randomguy-dd6mn 2 роки тому

    thank you so much for this, I don't think I would be able to the thing I wanted without this

  • @ellyjessy5044
    @ellyjessy5044 5 років тому

    I'm now more confident after watching your videos. Great teacher indeed.

  • @okeuwechue9238
    @okeuwechue9238 6 років тому

    Nicely done!. The Venn diagram explanation really helps to clarify the various Join meanings.

  • @singhpad1
    @singhpad1 5 років тому +2

    Thank you for your in-depth explanation for novices like me. Really appreciate it.

  • @FinallHit
    @FinallHit 4 роки тому

    I struggled alot with joins.. and now im like "thats it??"
    Great explantion!

  • @johng5295
    @johng5295 2 роки тому

    Thanks in a million! Very well explained. This is the nth time that I am watching this again. Great content. Awesome. I couldn't find this explanation--simply put anywhere else. “Great teachers are hard to find”. Grade: A++ 💥

  • @DarrenTalksTech
    @DarrenTalksTech 4 роки тому +1

    Joey, all of you videos are super easy to understand. The visuals are great and you do great with the audio level. So many people upload videos where the audio is so low you can't hear it or it sounds like it's recorded in a box. Thanks for doing what you do.

  • @alexandreabarbosa
    @alexandreabarbosa 5 років тому +11

    Awesome! Straight to the point! Correct and excellent explanation!

  • @specificgravity-thedancing9700
    @specificgravity-thedancing9700 2 роки тому

    Super helpful!! I doubt there is a better way to explain this. Extremely good video!!

  • @magiccards1010
    @magiccards1010 Рік тому

    Joey , thanks for your videos, they are very explicit and easy to follow , great work.

  • @osbone0076
    @osbone0076 5 років тому

    i was pretty desparate then i watched your video now all is clear thank you from France

  • @owaisattaey2947
    @owaisattaey2947 3 роки тому

    Thank you Mr. Blue. Very well explained with the visual examples.

  • @misscall8199
    @misscall8199 3 роки тому

    Of all out there on this query, your's is the best!!!!

  • @ShaolinMonkster
    @ShaolinMonkster 4 роки тому

    Ok, these are the best tutorials on the internet.
    I'll watch all your playlist and then go ahead and buy your udemy courses.