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Anonymous
Not applicable

Alias table creates duplicate columns

‎12-17-2019 07:19 AM

I have a Dataset with the following relation.

TableA- TableB-TableC-TableA1

I am noticing that certain columns in TABLEA & TABLEA1 have been duplicated.

 

Is this by design & if so why only certain columns have been duplicted?

Should I delete these columns from the Model?

 

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Anonymous
Not applicable
In response to parry2k

‎12-17-2019 08:19 AM

Never mind qualifying tables and column names correctly in the queries resolved this. SQL Server does not interpret the queries the same way. 

View solution in original post

Message 7 of 7
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parry2k
Super User
Super User

‎12-17-2019 07:21 AM

@Anonymous provide more details. Read this post to get your answer quickly.

https://community.powerbi.com/t5/Community-Blog/How-to-Get-Your-Question-Answered-Quickly/ba-p/38490



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Message 2 of 7
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Anonymous
Not applicable
In response to parry2k

‎12-17-2019 07:35 AM

TableA & TableA1 are the same table. The table has around 50 columns.

By requirement we had to alias this. The Dataset has a select * from TableA where TABLEA.COLUMN5 ='xyz' as the query. 

Do not understand why certain columns have been duplicated all of a sudden. These duplicates were not present when we deployed the model.

One difference I noticed is that CREATEDBY column in the Table populated new user values over the last run instead of our standard SSIS user.

Message 3 of 7
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parry2k
Super User
Super User
In response to Anonymous

‎12-17-2019 07:57 AM

@Anonymous I'm not sure what you mean by duplicate columns, please explain in detail. 



Subscribe to the @PowerBIHowTo YT channel for an upcoming video on List and Record functions in Power Query!!

Learn Power BI and Fabric - subscribe to our YT channel - Click here: @PowerBIHowTo

If my solution proved useful, I'd be delighted to receive Kudos. When you put effort into asking a question, it's equally thoughtful to acknowledge and give Kudos to the individual who helped you solve the problem. It's a small gesture that shows appreciation and encouragement! ❤


Did I answer your question? Mark my post as a solution. Proud to be a Super User! Appreciate your Kudos 🙂
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Message 4 of 7
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Anonymous
Not applicable
In response to parry2k

‎12-17-2019 08:00 AM

DUPLICATE COLUMN- Same column appears twice in a table as COLUMNNAME & COLUMNNAME1

 

After looking at closely I see that TABLEA.COLUMN3 has a similar name to TABLEB.COLUMN4 and TABLEA now shows both COLUMN3 & COLUMN4 as COLUMNNAME & COLUMNNAME2. 

 

 

Message 5 of 7
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parry2k
Super User
Super User
In response to Anonymous

‎12-17-2019 08:07 AM

@Anonymous I have no single clue about your question, I'm going to request to read this post again. Hope someone else can help

 

Read this post to get your answer quickly.

https://community.powerbi.com/t5/Community-Blog/How-to-Get-Your-Question-Answered-Quickly/ba-p/38490



Subscribe to the @PowerBIHowTo YT channel for an upcoming video on List and Record functions in Power Query!!

Learn Power BI and Fabric - subscribe to our YT channel - Click here: @PowerBIHowTo

If my solution proved useful, I'd be delighted to receive Kudos. When you put effort into asking a question, it's equally thoughtful to acknowledge and give Kudos to the individual who helped you solve the problem. It's a small gesture that shows appreciation and encouragement! ❤


Did I answer your question? Mark my post as a solution. Proud to be a Super User! Appreciate your Kudos 🙂
Feel free to email me with any of your BI needs.

Message 6 of 7
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Anonymous
Not applicable
In response to parry2k

‎12-17-2019 08:19 AM

Never mind qualifying tables and column names correctly in the queries resolved this. SQL Server does not interpret the queries the same way. 

Message 7 of 7
1,999 Views
0

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