Compare different files QUICKLY using Power Query in Power BI // Beginners Guide to Power BI in 2021

In this video we go through how you can use Power Query to verify the integrity of your migrated files. This method could be re-used to save time when comparing two sources against each other.
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[@KimzCraftz]

Exactly what I'm looking for - many thanks!

[@EyiBillion]

Brilliant! Taking a second watch.

[@SolutionsAbroad]

Great stuff!

[@guyinazo]

This is exactly what I need! Thanks. Except my merge query is going super slow. My main queries run pretty quick. Actually I figured that out and it was my error. But now I am trying to figure out how to compare a file from yesterday to one sent today and just extract those changes. Sometimes a whole record might be gone from the first csv, or a new record added to the second so it cannot be a one for one line comparison

[@SolutionsAbroad]

Great to hear that Brad, thanks for watching!

[@mohitupadhayay1439]

Great video! But I have two datasets and the number of columns in both of them are dynamic. Their column count increases or decreases everytime you pull the report. Also the names are different for say : EmpID and PersonNo in two sheets. Also, one big major hassle is that there are there is no unique key(which is EmpID) usually because same Emp might have asked for a change in data. So we maintain both records. How can we map and find FALSE records from such messed up data?

[@Chris-zg1tm]

Very very helpful tutorial! Thank you really much for the effort and the work in creating it. Will this also work with large datasets ( > 120.000 rows)? Many thanks in advance and a happy new year!

[@IlariaLongoDorni]

So good!! thanks. you solved me an issue!!

[@SolutionsAbroad]

Great to hear!

[@paulmfti]

thanks....really useful...

[@nathanhoover5156]

Good stuff as usual

[@SolutionsAbroad]

Thanks for watching my videos Nathan!

[@ankita9395]

Very informative..thank u😊

[@kennethstephani692]

Great video!

[@jenbln]

This is really a savior!

[@SolutionsAbroad]

Thanks Jen!

[@michaelbennett9631]

You're a hero

[@MahendraWijayaSparrow]

Thankyou so inspiring video 🙏

[@bamio5171]

Brilliant. However, the title didn't do this justice. I would have found this video earlier if something more indicative of comparing a migrated file with original was in there. Thanks.

[@SolutionsAbroad]

That's good to know, perhaps I will update the tags with migration somewhere there. Thanks for the feedback!

[@gampashivakumar]

Hello master, Do you have video about comparison dates with price, if you have please upload it, its very helpful to me thank you

[@SolutionsAbroad]

Hi Shiva, do you mind elaborating? I have a few videos around prices with dates, perhaps I've already covered it

[@wongwendy38]

May i know how to do u get the visual for your Table upper Visual |||||||||| and the display of xx district and xxx unique?Thanks

[@SolutionsAbroad]

Hi there, those visuals are data profiling tools to quickly see the makeup of your columns, i.e. how many distinct values, empty, error, etc. its a tick box under View > Column Profile. More info here: docs.microsoft.com/en-us/power-query/data-profiling-tools

[@wongwendy38]

@@SolutionsAbroad Thank you so much

[@nithyadhanapal6024]

Thank you so much for this video. Very helpful. Also wanted to know how can we compare multiple tables. My project requires me to verify 100s of different tables after migration. Is there any way of comparing multiple tables. How can we achieve this on Power BI? Please let me know if you have answer for this.

[@SolutionsAbroad]

Hi there, here's a more sophisticated solution for you: kzbin.info/www/bejne/ol6Wool6lpWag6c

[@abhayprasad7798]

It's amazing

[@adrianofrizon3514]

Amazing

[@SolutionsAbroad]

Thanks!

[@da001be]

The tutorial was good. Your gender types were “unfortunate”.

[@SolutionsAbroad]

Thanks for watching David!

[@larmondoflairallen4705]

This "gender" silliness will eventually be looked upon like any other fad once it passes, and we will look back on this kind of thing as a quaint relic of a well-meaning but hopelessly misguided age.

[@da001be]

@@larmondoflairallen4705 There was absolutely no reason for his commentary on that point in the context of his video.

[@cheongwenpa]

?? What a meaningless and stupid comment !!

[@kiqueba]

YES I was looking for this comment lol