Partition Goal with paritioning is to spread the data and the query load evenly across all nod...
Distributed Data Replication Keeping a copy of the same data on multiple machines that are conn...
Fundation of Database System Data Models: Data Models are layererd: Ap...
Description Given an array of meeting time intervals intervals where intervals[i] = [starti, end...
Description Given an array of intervals where intervals[i] = [starti, endi], merge all overlappi...
Description Given a blacklist B containing unique integers from [0, N), write a function to retu...
Functional Requirement: Scalable - easy to ingest new data source, and easy to add new etl jo...
NoSql is a concept when the data is models not using tabular relations used in relational data...
Hadoop Distributed File System - HDFS, is a distributed files system that allows big data to be s...
Given a circular array C of integers represented by A, find the maximum possible sum of a non-emp...
Spark Interview Partition To distribute work across clusters and reduce the memory requirements...
Number of Provinces There are n cities. Some of them are connected, while some are not. If city ...
Given a list of words, each word consists of English lowercase letters. Let’s say word1 is a pre...