need suggestions for writing query

[Ajithkumar]

Hi there ,

How to remove same node relationships globally
with one line query.

How to query the nodes must have both side
of same relationships.

kindly see the attachments for better understandings
properties for each nodes : 

countryCode	91
mobile	MEFYNnF2cW1aWkZKeHBpRaTNnZz09OjoxMTEwMDAxMTAw
name	khyati
userId	14161218

[glilienfield · Accepted solution]

To delete relationships that refer to the same node:

match(a)-[r]-(a) delete r

How to query for relationships that connect two different nodes:

match(a)-[r]-(b) where id(a)<>id(b) return r