Time to learn Cassandra/ MongoDB -
i going start learning nosql databases (in practices, done researches , understood concepts , modeling approaches). working time series data , both cassandra , mongodb recommended use case. know 1 takes less time learn? (unfortunately, don't have time spend on learning) ps: noticed there more tutorials , documentations mongodb (am correct?) thank you! having used them both extensively, can learning curve isn't bad might think. different people learn , absorb information @ different rates, difficult find easier or how pick them up. mention mongodb has reputation of being very developer-friendly, due fact can write code , store data without having define schema. cassandra has little steeper learning curve (imo). has been lessened due cql table-based column families in recent versions, bridge understanding gap between cassandra , relational database. since tutorials mongodb have been mentioned, post link datastax's ac*ademy , offers free online course ca...