How to get all ECIDs associated with profile in query service ?

[AtulChavan]

I have event data with me having respective ecid of user. Now in notebook I want data to be analyzed grouped by their email id & hence require mapping of email id of profile & all the associated ecids. 

thoughts please....   

[arpan-garg]

Hi @AtulChavan  - Have you tried fetching it via query service from profile export snapshot?

Thanks,

Arpan