Infibeam Interview Question for Java Developers

Country: India
Interview Type: Written Test

Comment hidden because of low score. Click to expand.
of 0 vote

as We know that whatsapp is chat based social network application.
se we need to a Conversation table.

Conversation(id[primary key] , user1,user2,message,media_link);

and all media files shoud maintain in other table

Media(id[primary key] , media_link);

the converstion table will maintain the database until both side users dose not recived the message .After receiving the tuples are removed from databse to reduce the storage .

- Himanshu January 29, 2016 | Flag Reply
Comment hidden because of low score. Click to expand.
of 0 vote

For whatapp database, I think, there will be a table of numbers which are activated...

Every number will have list of numbers which are connected to it.

- Prashant Bajpai February 23, 2016 | Flag Reply

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