Querying data

Apache Druid Q&A Google Groups
#1

Hi,

Im newbie to this Druid technology that i started learning this tech

Can any one Help to learn to Druid Querying data

i ingested some csv file about employees detail and i want perform some querys on this datasource but im not understand the

Documentation of druid

I have tried the query like in sql : select * from Employee_datasource limit5;

{

“queryType”: “select”,

“dataSource”: “Employee_datasource”,

“descending”: “false”,

“dimensions”:,

“metrics”:,

“granularity”: “all”,

“intervals”: [

"“1994-01-01/2018-01-01"”

],

“pagingSpec”:{“pagingIdentifiers”: {}, “threshold”:5}

}

its working but im nt understood that how to use queries like topN,groupby,timeseries…etc

#2

Can i any one sugest me some tutorials on this Druid

Advance Thanks & Regards

Thank You

#3

Hi,

Go through the below documentation if you haven’t already.

http://druid.io/docs/latest/querying/querying.html

http://druid.io/docs/latest/querying/topnquery.html

http://druid.io/docs/latest/querying/groupbyquery.html

http://druid.io/docs/latest/tutorials/tutorial-query.html

Thanks,

Sashi