Before SQL then NOSQL and BIGDATA: now BIGDATA and SQL again
The trend of these years has been switching from SQL (RDBMS) databases to NoSQL databases like Hadoop, MongoDB, Cassandra, Riak, … SQL is a old but easy and fast way to query data. And people STILL look at it for quering Hadoop and bigdata: Apache Drill (MapR) Apache Phoenix Apache Hive (see Stinger initiative) Apache Spark SQL Presto (Facebook) Apache Tajo (a datawarehouse) Impala (Cloudera) Read details from 10 ways to query hadoop with sql ....