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Left keep and left join which one is better for performance wise?

hi ,

I use left keep and left join in qlikview.I saw the difference in datamodel leftkeep keep table separate  in datamodel  and left join merge the 2 tables into one.but  I have a doubt  which one  give  better performance wise.in both whether leftjoin or left keep. which one is better for performance wise? I do not know pls tell me out. which one is give  better performance

                                               Thankyou,

Regards

madhu.

3 Replies

Re: Left keep and left join which one is better for performance wise?

Please don't clutter this site with duplicate discussions: left keep or left join which one is give better performance?


talk is cheap, supply exceeds demand
Employee
Employee

Re: Left keep and left join which one is better for performance wise?

And "Visualizations"left keep or left join which one is give better performance? is not the best forum to place a question about keep/join

Employee
Employee

Re: Left keep and left join which one is better for performance wise?

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