Cognizant Programmmer analyst interview questions

Was very friendly basic oops stuff, since i was graduating basic data structure sql queries with behaviour questions Final round was with hr final offer was through email Relational DBs (Postgres, MySQL) NoSQL DBs (MongoDB, DynamoDB, Cassandra, Redis) Indexing (B-tree, hash index, full-text)

Was pretty good..will be able to ace it with good prep. Should prepare well about projects, and sql queries and easy-medium lvl coding questions. Overall experience was good. The interviewer was also friendly