Oracle Backend Engineer Interview Questions

Alfred O. - "We can use dictionary to store cache items so that our read / write operations will be O(1). Each time we read or update an existing record, we have to ensure the item is moved to the back of the cache. This will allow us to evict the first item in the cache whenever the cache is full and we need to add new records also making our eviction O(1) Instead of normal dictionary, we will use ordered dictionary to store cache items. This will allow us to efficiently move items to back of the cache a"See full answer

XponentShift32 - "solving to find a cycle in directed graph"See full answer

Chetan R. - "Is this in-memory key value store or Disk based as store they are trying to make? Can someone help me with this"See full answer