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SQL and NoSQL Databases - PART 4

To read previous related articles. Hadoop Eco System Installation - PART 1  Hadoop Introduction & Terminologies - PART 2 Hadoop Data Format, Ingestion, Streaming - PART 3 Big Data Hadoop Eco System handles both SQL and NoSQL  databases based on the data source and business application.  SQL Database What is SQL database? SQL  stands for Structured Query Language.  SQL  lets you access and manipulate  databases . Where it is needed? SQL is important because of the following  main reasons  - a.  SQL helps you to find the needed information or data easily. b.  SQL is a query language, not a programming language. You can easily write commands almost same as you write English. c.  It quickly stores and gets data from the database quickly. SQL is used for the query, insert, collect and manages data from the database. d.  Almost every database system will need SQL for further proce...