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Anonymous
Not applicable

The right approach to modify the data

Hi guys, I'm new about BI's world and I want ask a question to you.

I wanted to develop a symple app to analyze data about a particular event, and I did it.

Now I need to modify some of this data, and I need to modify in definitive way.

My question is this:

can I use BI, I'm talking about qlikview obviously, to modify the data, and is this the right way?

Or BI is only to make analysis on the data, and I have to use another way to change the data inside the db or excel document.

What is the right way?

Thank you all.

1 Reply
MK9885
Master II
Master II

You can modify the existing data loaded in Qlikview. As in Qlikview also we prepare a data model with respective to the data provided/requirements. So transformations are almost necessary for each qvw.

And there are many different ways to do it. Of course depending on what you trying to do.

It is always better to do all the transformations using SQL in DB as it is much faster than Qlikview. However there are few things which end user wants in Qlikview so there you need to apply few functionality.

JOIN

CONCATENATE

QUALIFY

ALIAS

APPLY MAP

RESIDENT LOAD

SET/LET

MASTER CALENDAR

IF CONDITIONS

INLINE LOAD

and many more things can be done but the above are commonly used.

Go through the developers guide for Qlikview and you'll understand it much better.

Search for 'Developers Guide' in Qlik community and you'll find many links/documents for the same.

Thanks.