1. S. Artemov, “Big data = big problem?,” Jet Info, No. 6 (2012). http://www.jetinfo.ru/jetinfo_arhiv/big-data/bolshie-dannye-bolshaya-problema/2012.
2. G. Vaish, Getting Started with NoSQL (Packt Publ., 2013).
3. Oracle Database Concepts, Oracle Database Online Documentation 12c, Release 1. http://docs.oracle.com/ database/121/CNCPT/intro.htm#CNCPT001.
4. J. Erickson, M. Kornacker, D. Kumar, and D. Rorke, New Benchmarks for SQL-on-Hadoop: Impala 1.4 Widens the Performance Gap (2014). http://blog.cloudera.com/blog/2014/09/new-benchmarks-for-sql-on-Hadoopimpala-1-4-widens-the-performance-gap.