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Champion III
Champion III

RE:Diference-Perfomance

Hi all,

Which is the best method to perform the  qvw?

using IF conditions  or set analasys?   what is the major differnce?

we can perform  the caaluculation from both  set and if  conditions aswell?

so which is better  at perfomance side?  to increase the perfomance of the QVW?

anyone explain with small example?

Thanks in advance

Suresh chanty

1 Solution

Accepted Solutions
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Hi Chanty,

Performance wise set analysis is faster. Below links might be helpful to understand the difference.

Difference between IF condition and Set analysis

Using “IF” in expressions vs using “Set Analysis” | QlikView Help, Tips & Hints

View solution in original post

14 Replies
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Hi Chanty,

Performance wise set analysis is faster. Below links might be helpful to understand the difference.

Difference between IF condition and Set analysis

Using “IF” in expressions vs using “Set Analysis” | QlikView Help, Tips & Hints

View solution in original post

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MVP
MVP

you can read this for if vs set analysis

Performance of Conditional Aggregations

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Champion III
Champion III

thnx raj..it was nice.   but it is shwng  both are same?

what is the major fact about this?  in  your way raj? 

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Hi

Performance wise - Use set analysis

In some situation, we can't use set analysis . In that case, we can use If condition.

Try to bring some flag from script in order to avoid more complex set analysis.

Thanks & Regards,
Mayil Vahanan R
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Champion III
Champion III

Thnks Mayil.

any such senario  shud use if only?

any example?

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Hi

See below

how to solve this logic

Thanks & Regards,
Mayil Vahanan R
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Hi Chanty,

If condition evaluates for each row of data in chart where as Set analysis calculated once per chart and not row by row. So Set Analysis would perform faster.

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Champion III
Champion III

Thnx raj.  & Mayil . now its clear