MERGE TABLES WITH MULTIPLE ROW

[betty_bui2602]

Hello 👏, 

I tried to merge tables to 1. I have unique KeyID column which not contain Duplicate. 

After i expand table you can see that i have multiple channels. 

When i merge to second table, it repeat values 

Can you give me solution how to keep only first index?

Thank you in advance 😉 
@amitchandak @v-jingzhang @v-yalanwu-msft 

[Idrissshatila]

Hello @betty_bui2602 ,

You could try to remove duplicates from the last table you made.

If I answered your question, please mark my post as solution so it would appeare to others, Appreciate your Kudos 👍

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[betty_bui2602]

I would like to keep the duplicates :(, because i need Business Type colum for later works 

[Idrissshatila]

@betty_bui2602,

Then you could add a new index for all the table,

https://learn.microsoft.com/en-us/power-query/add-index-column

If I answered your question, please mark my post as solution so it would appeare to others, Appreciate your Kudos 👍

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[betty_bui2602]

I read the article you shared. 
Can you explain a bit more the purpose of new index since i already have 1. 

[v-rzhou-msft · Accepted solution]

Hi @betty_bui2602 ,

According to your statement, I think you want to keep the first index per Key ID. Here I suggest you to add a new index column before you expand your table.

Add a custom column in your table.

Table.AddIndexColumn([MTD ATT],"New Index",1)

Then remove old [MTD ATT] and expand [New MTD ATT].

Then you can merge your tables and keep first index.

For reference: Create Row Number for Each Group in Power BI using Power Query

Best Regards,
Rico Zhou

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

[betty_bui2602]

thank you very much @v-rzhou-msft. i able to achive my outcome follow the link you shared😍