What is ETL | What is Data Warehouse | OLTP vs OLAP

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  • เผยแพร่เมื่อ 29 มิ.ย. 2024
  • In this video, we will discuss what is ETL (Extract, transform, load), what is data warehouse and the purpose of it. The difference between OLTP (Online Transaction Processing System) vs OLAP (Online Analytics Processing System). Apache nifi, talend, informatica are some the entreprise ETL tools whereas for data warehouse teradata, amazon redshift, snowflake, greenplum etc are widely adopted in the industry.
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ความคิดเห็น • 403

  • @codebasics
    @codebasics  2 ปีที่แล้ว +4

    Do you want to learn technology from me? Check codebasics.io/ for my affordable video courses.

  • @mohammadsyariefali2978
    @mohammadsyariefali2978 3 ปีที่แล้ว +70

    I've watched 3 videos before this and no one explained it as good, fast, and clear as you do. Thank you!

    • @codebasics
      @codebasics  3 ปีที่แล้ว +5

      You're very welcome! Glad it was helpful!

  • @gracechan3039
    @gracechan3039 3 ปีที่แล้ว +111

    Wow, you're a really great teacher. It's very clear and concise. Thank you!

    • @codebasics
      @codebasics  3 ปีที่แล้ว +4

      Glad it was helpful!

  • @sumitpatil9648
    @sumitpatil9648 3 ปีที่แล้ว +29

    I went through lots of Google search and read this topic but it was not clear to me but you made it very simple and I got overall idea of main 3 topics 1) ETL 2) DW and 3) OLTP &OLAP just in 8 minutes ...Thank you

    • @codebasics
      @codebasics  3 ปีที่แล้ว +2

      👍☺️

    • @anika7277
      @anika7277 ปีที่แล้ว

      I totally agree , I was looking for something that gives us an overall idea and this video did the job !!!

  • @p.sarankumarpatro9773
    @p.sarankumarpatro9773 3 ปีที่แล้ว +4

    In a span of time I got a descriptive knowledge about ETL .Thank you.

  • @pattapukhannaji780
    @pattapukhannaji780 3 ปีที่แล้ว +20

    excellent over view for ETL learners. I've watched similar videos before this and no one explained it as good, fast, and clear as you do. Thank you so much.

    • @codebasics
      @codebasics  3 ปีที่แล้ว +1

      Glad it was helpful!

  • @flamboyantperson5936
    @flamboyantperson5936 4 ปีที่แล้ว +2

    This is the best tutorial given by you because nobody has so far touched it

  • @tejrupsai7396
    @tejrupsai7396 3 ปีที่แล้ว +1

    The best explanation that I have ever seen it's very simple to understand and most of the information has been explained within few minutes.

  • @porrasbrand
    @porrasbrand 2 ปีที่แล้ว

    What a Great and simple explanation - finally - after so many videos that are so complicated and with youtubers showing their faces and talking talking talking and they don't go to the poin.
    This was on the point !! Directly and Well Explained!! Great!!

  • @saumyasrivastava4064
    @saumyasrivastava4064 2 ปีที่แล้ว

    10 out of 5 STAR for the explanation and the way you taught it. Compelled me to comment for the first time on any educational content.
    I really feel a teacher, a mentor should understand his audience first, talking about things in your jargons/terminology is easy but explaining it in a way where even a non-technical person can understand the business value behind it, is RARE. You absolutely did that! The way you started it with business case, added crisp context before bringing the jargon and then connected it all, was just super awesome. Please keep up the good work!
    Inspiring!
    P.S. Sorry, I understand the efforts that goes behind making these videos but mostly other videos (of other people) are like; you extract from database, you transform and then you load for analytical purpose - this is ETL. Such videos should add a disclaimer - intended for audience with tech background.

  • @suck-myballs1152
    @suck-myballs1152 5 หลายเดือนก่อน +1

    Man, this was BEAUTIFUL!!! A real-world example makes all the difference!!

  • @shreyasingh550
    @shreyasingh550 ปีที่แล้ว

    One of the best explained videos on ETL so far. Looking forward to learning more from your videos

  • @tylerdurden9411
    @tylerdurden9411 หลายเดือนก่อน +1

    I really like your explanation very clear and with examples. Thank you so much men!!!!!! I almost forget your english speaking is so good thank you also for that, because is an extra effort and that give you extra points also!!!!

  • @jithindas6084
    @jithindas6084 3 ปีที่แล้ว +6

    Felt like I got 20 pages worth of information in just 8 mins, thank you so much!

    • @codebasics
      @codebasics  3 ปีที่แล้ว +1

      Great to hear!

  • @Jean-PaulCh
    @Jean-PaulCh 2 ปีที่แล้ว

    I just wanted to say that I was really impressed by the way you explained this. Keep it up.

  • @user-ll5bh6jf6p
    @user-ll5bh6jf6p 6 หลายเดือนก่อน

    The best explanation of OLTP and OLAP I have watched in YT so far. Thanks a lot, bro

  • @boppanibhanuprasad4612
    @boppanibhanuprasad4612 2 ปีที่แล้ว

    Simple crisp and clear. loved it!

  • @bouihabdelouahed1579
    @bouihabdelouahed1579 11 หลายเดือนก่อน

    I love the way you explained it all.
    Very much appreciated mate.

  • @amritgurung3520
    @amritgurung3520 2 ปีที่แล้ว

    this is what i wanted to know for few days. Amazing video. Really appreciated

  • @krishnachaitanya5965
    @krishnachaitanya5965 2 ปีที่แล้ว

    This is the best video I've seen so far. Great content for beginners.

  • @gsmoon97
    @gsmoon97 2 ปีที่แล้ว

    superb explanation 🔥🔥🔥 couldn't have broken it down any better than this

  • @abhishekbhatia651
    @abhishekbhatia651 2 ปีที่แล้ว +1

    BEST EXPLANATION EVER! Thankyou :)

  • @readerko
    @readerko 2 ปีที่แล้ว +2

    Thanks for this video, you are a very good teacher, it was really fast and simple to understand. Great work man. Greetings from Slovakia

  • @emamulmursalin9181
    @emamulmursalin9181 3 ปีที่แล้ว

    Simple, directly to the actual point and useful .....

  • @rajeshbhosale2008
    @rajeshbhosale2008 11 หลายเดือนก่อน

    Excellent video on the simplification of confusing jargons of the database domain! Thanks 👍🏻

  • @rssinghtoor
    @rssinghtoor 2 ปีที่แล้ว +1

    Amazing, just amazing Tutorial!…subscribed your channel right away. Needed this for my work purpose. Thank you so much 🙏

  • @sahilkadu5409
    @sahilkadu5409 2 ปีที่แล้ว +1

    ur really great teacher. I learnt a whole warehouse tool without understanding what warehouse and ETL actually does is. and here this 8 min video explained me in the best way possible.

    • @codebasics
      @codebasics  2 ปีที่แล้ว

      👍👍🤗🙏

  • @MubQ10
    @MubQ10 3 ปีที่แล้ว +1

    hey man ! great stuff !! much better than the lecturers that i have here in the UK

  • @MohamedSaid-ob3ug
    @MohamedSaid-ob3ug 2 ปีที่แล้ว

    Simple explaination of the relation between ETL en Data warehouse. THNX!!

  • @equiwave80
    @equiwave80 3 ปีที่แล้ว +1

    Excellent video. Simplest explanation of OLTP, OLAP, ETL & Data warehouse

    • @codebasics
      @codebasics  3 ปีที่แล้ว

      Glad it was helpful!

  • @ravikishorergajavalli
    @ravikishorergajavalli 2 ปีที่แล้ว

    Nice explanation. Non IT guy can easily understand the basic information about all these terminology. Thank you for sharing your knowledge.

  • @Call-me-Avi
    @Call-me-Avi 2 ปีที่แล้ว

    This was the most awesome explanation i found. Thank you. I finally understand.

  • @danyalimtiaz6925
    @danyalimtiaz6925 2 ปีที่แล้ว

    Awesome! Simple and Clear. Thank you so much.

  • @anirbanc88
    @anirbanc88 ปีที่แล้ว

    you are the best teacher, ever! thank you for making videos on youtube, i may become somebody because of the help from your videos

  • @jayasriravisankar4059
    @jayasriravisankar4059 ปีที่แล้ว

    Awesome video, As everyone said , i have watched several videos and several documents to learn these topics, None of them have cleared all my queries on my mind in regards to these terms, but you made me to understand it so easily. Thank you

  • @danalex2991
    @danalex2991 ปีที่แล้ว

    Best video for OLAP and OLTP concepts.

  • @anika7277
    @anika7277 ปีที่แล้ว

    Very Clear , Concise and to the point explanation. Thanks so much !!!!

  • @viveksivalingam9181
    @viveksivalingam9181 3 ปีที่แล้ว

    This is the best to the point video. Cheers 👌

  • @saikatnextd
    @saikatnextd 2 ปีที่แล้ว

    Wow !! Even a non techie like me can understand……awesome is a understatement !! Keep up the great work 👍👍

  • @nishaprabhudesai2714
    @nishaprabhudesai2714 2 ปีที่แล้ว

    Thank you for sharing it so simply...makes it easy to understand!

  • @jessechichi5609
    @jessechichi5609 4 หลายเดือนก่อน

    i love how you have explained this, thank you.

  • @vanshverma2115
    @vanshverma2115 2 หลายเดือนก่อน

    My god, this is by far the best explanation of all those jargons. Very well explained sir. Thank you very much. Best wishes to you.

  • @UKXcalibur
    @UKXcalibur 5 วันที่ผ่านมา

    that war really clarifying, you explained the best!

  • @shuaidongyu4010
    @shuaidongyu4010 16 วันที่ผ่านมา

    The best explanation on data warehouse. Thx!

  • @samdawg12
    @samdawg12 3 ปีที่แล้ว +2

    You helped me understand OLAP in 5 minutes. Thank you so much, Dhaval.

  • @harshithatm6369
    @harshithatm6369 2 ปีที่แล้ว

    Thank you for keeping it simple and covering all necessary topics.

    • @codebasics
      @codebasics  2 ปีที่แล้ว

      Glad it was helpful!

  • @Pablo-zf7ml
    @Pablo-zf7ml 2 ปีที่แล้ว

    Excellent video, short, clear and very informative....thanks a lot great job

  • @sowmya6471
    @sowmya6471 3 หลายเดือนก่อน

    Extreamly useful. A quick brush up video for interview preparations. I had a very complex understanding on these concept. Now its 100% clear.

  • @AnkitChoudhary-st2is
    @AnkitChoudhary-st2is 2 ปีที่แล้ว

    BEST OVERVIEW VIDEO, BIG THANKSS!

  • @metaprog46and2
    @metaprog46and2 2 ปีที่แล้ว

    Informative yet succinct. Nicely done.

  • @mohammadfaizanmadgaonwala51
    @mohammadfaizanmadgaonwala51 ปีที่แล้ว

    The best video with examples
    Thank you so much

  • @hall_of_fame_suraj
    @hall_of_fame_suraj ปีที่แล้ว

    really great explanation know one is not in youtube that they are properly cleared this topic with the right examples, but you have done.

  • @sumanthaddala6924
    @sumanthaddala6924 2 หลายเดือนก่อน

    Thank you very much sir🙏, the concept which you've explained is crystal clear, very calm and on point without fogging brain.

  • @mindlospikiri7723
    @mindlospikiri7723 ปีที่แล้ว +1

    The best explanation on youtube

  • @tejas4054
    @tejas4054 ปีที่แล้ว

    Best clarity no one is better than you

  • @johnblackstockmusic
    @johnblackstockmusic 3 ปีที่แล้ว +12

    Appreciate this video! We're learning ETL in my Business Intelligence class and this summed up an entire chapter in 8 minutes!

    • @codebasics
      @codebasics  3 ปีที่แล้ว +1

      Glad it helped John

    • @rayray7244
      @rayray7244 2 ปีที่แล้ว +3

      I'm telling you if I had to do it over again I'd get my education from TH-cam and Udemy! Would've saved me 100k in student loan.

  • @louvierejacques
    @louvierejacques 2 ปีที่แล้ว

    thank you so much, this is excellent! subscribed, now i'm off to check out your courses. really, really great.

  • @bhavanimaddela7252
    @bhavanimaddela7252 2 ปีที่แล้ว

    Thanks for the video. Keep rocking with your videos.

  • @hassanosseiran6405
    @hassanosseiran6405 หลายเดือนก่อน

    Super well explained, great work!

  • @justwatching2960
    @justwatching2960 2 ปีที่แล้ว

    It is so clear and well explained. Thanks a lot.

  • @naturelovers457
    @naturelovers457 9 หลายเดือนก่อน +1

    I remember this was first video i saw and i decided to become ETL developer after seeing that video just clear some concepts from that day to now after lots of hardwork a ETL developer. Working on talend, matillion, informatica and abinitio. This journey is quite amazing.

    • @codebasics
      @codebasics  9 หลายเดือนก่อน

      Great to hear! 👍

  • @anupriyaap5461
    @anupriyaap5461 3 ปีที่แล้ว +1

    Awesome 🙂 Sir .. video is like " Simple, Short and Clear", that all I want.. thank you for sharing 👍

    • @codebasics
      @codebasics  3 ปีที่แล้ว

      Glad it was helpful!

  • @yeahnahshityeah
    @yeahnahshityeah ปีที่แล้ว

    This is a perfect explanation! Thank you

  • @trikavyam8101
    @trikavyam8101 11 หลายเดือนก่อน

    Very good explanation.....before this video i had lot of confusion on elt but now its very clear...thanks

  • @ashcb77
    @ashcb77 ปีที่แล้ว +3

    Wonderful exaplanation Mr Dhawal... Quite impressive .. I'm a new aspiriant of Data Analytics serching for genuien content for understaing the process of Data Analytics, which landed me on ur channle. Thanks for imparting ur valuable knowledge.

  • @shenghuipeng5081
    @shenghuipeng5081 3 ปีที่แล้ว

    So well explained! Helped to clarify a lot of my confusion previously!

  • @celinejung1692
    @celinejung1692 2 ปีที่แล้ว +2

    thank you, this is amazing!

  • @adityasingh-vc7wf
    @adityasingh-vc7wf 3 ปีที่แล้ว +3

    Just one word....WOW

  • @esraaykut4022
    @esraaykut4022 5 หลายเดือนก่อน

    Thank you so much such an simple and great explanation!

  • @vaijayantigulve4883
    @vaijayantigulve4883 7 หลายเดือนก่อน

    Very clear and concise...!! Thank you...

  • @oumaymaredissi5213
    @oumaymaredissi5213 6 หลายเดือนก่อน

    great video ! thank you for the clear explanation

  • @roshanramesh7307
    @roshanramesh7307 2 ปีที่แล้ว

    Beautifully explained. Thank you

  • @raniakaabar136
    @raniakaabar136 2 ปีที่แล้ว

    you have clarified many things so thank you

  • @lovemishra8137
    @lovemishra8137 2 ปีที่แล้ว

    Thank you for uploading such video bhai 🎉

  • @sinan6212
    @sinan6212 ปีที่แล้ว

    Thank you for the clear and simple explanation

  • @timothyjstrong
    @timothyjstrong 3 ปีที่แล้ว

    Excellent video! Thank you very much

  • @nehanikam8162
    @nehanikam8162 3 ปีที่แล้ว

    Hats off!! Really awesome explanation.

  • @pratikkumarsingh8114
    @pratikkumarsingh8114 ปีที่แล้ว

    well explained, cleared all the concepts, Thank you sir!!

  • @muskanvij4811
    @muskanvij4811 3 ปีที่แล้ว

    This is one of the best video on this topic , I have come across.

  • @19belaz
    @19belaz 5 หลายเดือนก่อน

    Thanks. Very clear explanations!

  • @madanchanti
    @madanchanti 2 ปีที่แล้ว

    Best explanation with good understanding in less time. Thanks !

  • @abdelrahmanabumeree3903
    @abdelrahmanabumeree3903 11 หลายเดือนก่อน

    thanks a lot , useful video explain the main purpose of the ETL

  • @hanmuster
    @hanmuster 4 ปีที่แล้ว +4

    This is a very vivid example!

    • @codebasics
      @codebasics  4 ปีที่แล้ว

      Glad you liked it

  • @ganeshnmandape3025
    @ganeshnmandape3025 2 ปีที่แล้ว

    Very precise and clear. Thank you

  • @sohelakhtar8044
    @sohelakhtar8044 ปีที่แล้ว

    So precise, accurate and smooth.
    Cleared the concept very well

    • @codebasics
      @codebasics  ปีที่แล้ว

      Glad it was helpful!

  • @zahirsiddique747
    @zahirsiddique747 3 ปีที่แล้ว

    excellent and simple way to convey concepts. Appreciate it!

  • @nathanbenton2051
    @nathanbenton2051 4 ปีที่แล้ว

    great, practical video - thanks

  • @fantasticania
    @fantasticania 3 ปีที่แล้ว +1

    thank you for this video! very well explained concepts!

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  • @gnanasuriyanramachandran9895
    @gnanasuriyanramachandran9895 2 ปีที่แล้ว

    Simple, neat and clear explanation. Thank you!!

    • @codebasics
      @codebasics  2 ปีที่แล้ว

      🙏🙏👍👍

  • @AnilKumar-pb7eo
    @AnilKumar-pb7eo 2 ปีที่แล้ว

    Sir excellent explanation 👏👌 now I got clarity

  • @mahmudhasan1503
    @mahmudhasan1503 2 ปีที่แล้ว

    Wonderfully explained with easily understandable example. Thank you for sharing your knowledge.

    • @codebasics
      @codebasics  2 ปีที่แล้ว +1

      Glad it was helpful!

  • @skh.visuals
    @skh.visuals 2 ปีที่แล้ว

    what a wonderful video thanks a lot it was so informative !!

  • @yashmathur5609
    @yashmathur5609 ปีที่แล้ว

    wow ,your teaching techniques are really good .. straight to mind concept

  • @lcsmrt
    @lcsmrt 2 ปีที่แล้ว

    I don't usually comment on videos, but this one deserves the effort. What a great explanation. Congrats

    • @codebasics
      @codebasics  2 ปีที่แล้ว

      Glad you liked it!

  • @shubhamgophane5414
    @shubhamgophane5414 2 ปีที่แล้ว

    Best explanation! Thank you🙏🏻

  • @career-calling
    @career-calling 7 หลายเดือนก่อน

    Great job simplifying concepts in plain English which is the need of the hour in today's jargon-filled world. Thank You.

    • @codebasics
      @codebasics  7 หลายเดือนก่อน

      Thank you so much for your kind words!

  • @sambitpati6129
    @sambitpati6129 2 ปีที่แล้ว

    what a video just♥ wow♥ explanation !!!👏👏👏👏👏👌👌👌🙌🙌🙌🙌

  • @nageswararaorao25
    @nageswararaorao25 3 ปีที่แล้ว

    Very well explained .. now I get to know about the ETL concepts

    • @codebasics
      @codebasics  3 ปีที่แล้ว

      I am glad you liked it

  • @reggied1811
    @reggied1811 3 ปีที่แล้ว +2

    Very good explanation. Helped me tremendously. Thanks!