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rasoolshaik
Contributor
Contributor

Rows comparision from Backend

Hello everyone,

I am having 2 tables. one is for daily reload and second one is incremental qvd for daily qvd.
Here we are having 5 fields, we are capturing daily data,if there is any change in 5 fields then those records are storing into incremental qvd .
This process we are doing by AutoNumber condition.
Now, If we want to add any new field to this list, instead of adding that field in If condition manually
is there any way to check if any change is happened in the records.

Daily Qvd have these records:

Item Name Dim1 Dim2 Dim3 Volity Code Last Updated
123 10 15 7 C 12/26/2024
124 5 6 10 B 12/24/2024

 

Incremental Qvd is having below records:

Item Name Dim1 Dim2 Dim3 Volity Code Last Updated
123 10 15 7 A 12/24/2024
124 5 6 10 B 12/24/2024

My result would be like

Item Name Dim1 Dim2 Dim3 Volity Code Last Updated
123 10 15 7 A 12/24/2024
124 5 6 10 B 12/24/2024
123 10 15 7 C 12/26/2024

 

We are using AutoNumber(Dim1&Dim2&Dim3&Volity Code) as KEY

we have added new field for comparison and field name is Weight

Item Name Dim1 Dim2 Dim3 Volity Code weight Last Updated
123 10 15 7 A 30 12/26/2024
124 5 6 10 B 20 12/24/2024

 

AutoNumber(Dim1&Dim2&Dim3&Volity Code&weight) as KEY

Instead of checking field values manually by using AutoNumber whether it is changed or not is there anyway to automate or direct function to compare between rows and identify which is having duplicate records and which is having distinct records.

Thank you in Advance

 

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1 Reply
rwunderlich
Partner Ambassador/MVP
Partner Ambassador/MVP

Daily:
Load * From Daily.qvd (qvd);

Concatenate (Daily) 
Load DISTINCT * From Incremental.qvd (qvd);

-Rob
http://www.easyqlik.com
http://masterssummit.com
http://qlikviewcookbook.com