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66. Databricks | Pyspark | Delta: Z-Order Command 

Raja's Data Engineering
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Azure Databricks Learning: Delta Lake - Z-Order Command
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What is Z-order Command in delta table and how to apply in delta lake development?
Z-order one of the performance optimization techinique used in delta lake. It is used along with optimize command and used to compact small files into optimal size and at the same time relevant data is co-located to improve the performance.
This video gives complete understanding of Z-order command
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1 окт 2024

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Комментарии : 86   
@shreeyashransubhe2537
@shreeyashransubhe2537 2 года назад
Sir, I have gone through lots of videos but never understood the concepts so simple yet very detailed manner. Thank you very much. I have shared your playlist with my colleagues too. They also liked it very much.
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Thank you for your valuable comments. Really appreciated
@pratikparbhane8677
@pratikparbhane8677 8 месяцев назад
Great Explain , Understood OPTIMISE , VACCUM() AND Z-ORDERING in One Video
@rajasdataengineering7585
@rajasdataengineering7585 8 месяцев назад
Glad it was helpful!
@AnupGupta-05
@AnupGupta-05 Месяц назад
Hi Brother you are best teacher, the way you explain its best, keep up the good work
@rajasdataengineering7585
@rajasdataengineering7585 Месяц назад
Thank you!
@mohitupadhayay1439
@mohitupadhayay1439 4 месяца назад
Raja please try to create a full project where all these optimizations can be shown at full scale.
@rajasdataengineering7585
@rajasdataengineering7585 4 месяца назад
Sure Mohit, will do!
@YogeshBiguvu2208
@YogeshBiguvu2208 11 месяцев назад
Excellent explanation with Examples.....Thank you so mcuh sir..
@rajasdataengineering7585
@rajasdataengineering7585 11 месяцев назад
You are most welcome! Glad it helps
@terrificmenace
@terrificmenace Год назад
Thank you sir 🙏🏻 I went through many udemy courses but never understood these concepts. Ur explanation is very good and easy to understand many many thanks sir 🙏🏻 🙏🏻
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Thank you 👍🏻
@omprakashreddy4230
@omprakashreddy4230 2 года назад
Your videos are definitely creating great impact. Thank you for that. Can you also please explain df.explain() command in great detail with examples.
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Happy to hear that it's creating impact on data engineers. Thank you Sure, will post a video on explain plan
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Hi Omprakash, created a video on explain plan as per your request. Hope it helps you - ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-6NrVQTbkndU.html
@rahul_chilukamari
@rahul_chilukamari 2 месяца назад
one such good video with neat explanation.
@rajasdataengineering7585
@rajasdataengineering7585 2 месяца назад
Thank you
@arabajshaikh8411
@arabajshaikh8411 25 дней назад
Excellent, Thank you so much.
@rajasdataengineering7585
@rajasdataengineering7585 25 дней назад
Glad it was helpful! You are welcome
@satheeshkumarak6708
@satheeshkumarak6708 3 месяца назад
Hello Sir, How do you determine the number of columns to be used in Z order and whether or not to use a particular column for Z order provided that you have calculated the cardinality percentage of all the columns?
@rohitdanda
@rohitdanda Год назад
Your videos are so simple that a kid can also understand. Thanks and salute sir🖖 for putting so much effort and making videos and helping us!
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Thanks for your comment. Glad to know it helps data engineers
@TheDataArchitect
@TheDataArchitect 5 месяцев назад
What about using multiple columns in z-order?
@SumitAmbatkar
@SumitAmbatkar 5 месяцев назад
i watched your nearly all playlist i loved your teching style, how to ogrip on concept, your explaination are fabulous keeping doing sir, best of luck. we are always here for you Thank you..:)
@rajasdataengineering7585
@rajasdataengineering7585 5 месяцев назад
Thank you,Sumit! Keep watching
@shankar1556
@shankar1556 Год назад
Hi Azar, Thank you for explanation. I have a dought. in this example it shows that z-order create new partitions with sorting emp_id. Does z-order really create new partitions?
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Hi Shankar, this is Raja. When we perform z-order, data is being co-located within same set of files. It is not shuffling the data, nor creating new partitions
@navdeepjha2739
@navdeepjha2739 2 месяца назад
Invaluable explanation sir! I went through many blogs but couldn't get it. You made it crystal clear😊
@rajasdataengineering7585
@rajasdataengineering7585 2 месяца назад
Glad to hear that! Thanks for your comment
@sathyahisto
@sathyahisto Год назад
good Explaination, liked it when you demonstrated with excel. Just one suggestion syntax for zorder seems to be changed to "Zorder by ()"
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Yes, you are right. Thanks
@ravisunkara6664
@ravisunkara6664 2 месяца назад
Awesome explanation on Z-ordering. Greatly appreciated your efforts making this video.
@rajasdataengineering7585
@rajasdataengineering7585 2 месяца назад
Thank you
@venkatasai4293
@venkatasai4293 2 года назад
Thanks for the great explanation Raja. So are the statistics collected on all the columns ? What if we want to query on other columns ? Will it work ?
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Yes Venkata, it will work first 32 columns. If your table contains more than 32 columns and you want to collect statistics for those columns, we can configure that separately
@venkatasai4293
@venkatasai4293 2 года назад
@@rajasdataengineering7585 ok . So zorder is similar to bucketing right ? Colocating the data into same set of files ? If two tables contains same key and if we zorder them on the key While joining the data it will fetch only required files into the executor ?
@annaduraip3182
@annaduraip3182 2 месяца назад
Great, thank you. You have explained in simpler way to understand anyone.
@rajasdataengineering7585
@rajasdataengineering7585 2 месяца назад
Thank you
@3a8saisamireddi61
@3a8saisamireddi61 5 месяцев назад
detailed explanation👏
@rajasdataengineering7585
@rajasdataengineering7585 5 месяцев назад
Thank you 🙂
@ajaykiranchundi9979
@ajaykiranchundi9979 Год назад
A very well explained . The way you broke down the data to explain the same is amazing. I am sure it would have taken good time to put it together. Indebted to you brother.
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Thanks Ajay👍🏻
@shwetac2929
@shwetac2929 Год назад
you teaching methos is very good ....this video clear my all doubt
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Glad to hear that
@RanjeetkumarYadav
@RanjeetkumarYadav 5 месяцев назад
Amazing and very intuitive example. Thank You!!
@rajasdataengineering7585
@rajasdataengineering7585 5 месяцев назад
You're very welcome! Keep watching
@mukilanlakshmanan8968
@mukilanlakshmanan8968 11 месяцев назад
Sir, I love your teaching method, you have explained it in detail.
@rajasdataengineering7585
@rajasdataengineering7585 11 месяцев назад
Thanks Mukilan! Glad to hear that
@ravulapallivenkatagurnadha9605
@ravulapallivenkatagurnadha9605 2 года назад
Please do video on how to convert pandas data pipilines to spark data pipiy
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Sure will do
@purnimasharma9734
@purnimasharma9734 2 года назад
Hi Raja, how is the partition column determined e.g. how does it know that you have to use emp_id here? Is it based on the predicate column?
@purnimasharma9734
@purnimasharma9734 2 года назад
Never mind, when I watched your video completely, I found out.
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Great
@ravulapallivenkatagurnadha9605
@ravulapallivenkatagurnadha9605 2 года назад
Please continue this videos
@saurav0777
@saurav0777 2 года назад
Thanks for uploading . Very nice explanation
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Thanks
@NileshPatil-b3u
@NileshPatil-b3u 8 месяцев назад
Sir, Thanks for explaining in a very simple manner.
@rajasdataengineering7585
@rajasdataengineering7585 8 месяцев назад
Thanks and welcome
@sraoarjun
@sraoarjun 6 месяцев назад
Indeed an awesome video !! Great explanation !!
@rajasdataengineering7585
@rajasdataengineering7585 6 месяцев назад
Glad you liked it! Thank you
@FreakONcW1
@FreakONcW1 10 месяцев назад
Extremely helpful video.
@rajasdataengineering7585
@rajasdataengineering7585 10 месяцев назад
Thanks Kinjal! Glad to know it was helpful!
@dineshwaditake5248
@dineshwaditake5248 Год назад
Nicely explained !!
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Glad it was helpful!
@vivek05117gece
@vivek05117gece Год назад
very well explained. Kudos to you.
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Glad it was helpful!
@tanushreenagar3116
@tanushreenagar3116 Год назад
Very nice sir 👌 cleared my concept now
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Thank you
@viniciusguimaraessantana5455
thank you very much.
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
You are welcome!
@gil.0007
@gil.0007 10 месяцев назад
Very nicely explained 🎉
@rajasdataengineering7585
@rajasdataengineering7585 10 месяцев назад
Thanks, glad it was helpful!
@AFSARAHMED4
@AFSARAHMED4 Год назад
Excellent Explaination Sir
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Thanks
@manjit_singhh
@manjit_singhh 2 года назад
Very nice explanation 🙂
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Thanks
@aswaniyettapu9992
@aswaniyettapu9992 2 года назад
Can u do one video on lead and lag in pyspark..?
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Sure, will post a video on lead and lag very soon
@rajasdataengineering7585
@rajasdataengineering7585 2 года назад
Hi Aswani, have posted a video on lead and lag function today as per your request
@aswaniyettapu9992
@aswaniyettapu9992 2 года назад
Tq so much
@tanushreenagar3116
@tanushreenagar3116 Год назад
PERFECT CONTENT SIR
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Thanks Tanu!
@TotuBabyBird
@TotuBabyBird Год назад
Great!
@rajasdataengineering7585
@rajasdataengineering7585 Год назад
Thanks
@anuragpaudyal3297
@anuragpaudyal3297 Месяц назад
awesome😃
@rajasdataengineering7585
@rajasdataengineering7585 Месяц назад
Thank you! Cheers!