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From: Santoshakhilesh <santosh.akhilesh@huawei.com>
To: "dev@kylin.incubator.apache.org" <dev@kylin.incubator.apache.org>
Subject: Query About Dimensions
Thread-Topic: Query About Dimensions
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Date: Tue, 3 Mar 2015 14:34:02 +0000
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Hi All ,


     I have some query about the dimension options in Kylin.


     We have three options.


      Normal , Derived and Hierarchial.


     The Kylin GUI says that " A derived dimensions will be auto generated =
for lookup tables" what is meaning of this ?


     About hierarchial dimension suppose I have a dimension table as;

     Areaid , areaname , province , city


     So in fact table I can just store the area id as foreign key and make =
the hiererchy dimension area with  areaname->province->city  and I can dril=
ldown the data from area to province and city ?


     Is it possible for some one to explain these with a simple example , I=
 have tried to read couple of presentations of kylin but things are not ver=
y clear to me.


Regards,
Santosh Akhilesh
Bangalore R&D
HUAWEI TECHNOLOGIES CO.,LTD.

www.huawei.com
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