In the previous chapter, we learned about SQL and NoSQL databases. Further, we introduced different databases, such as MySQL, MongoDB, and Cassandra, and implemented a hands-on experience to deal with real-world problems. Now we will extend our understanding of these databases and study the big data file formats.
Ever-growing competition in the industry has been reducing reaction times to nil and to keep up with this situation, businesses have to improvise their responses to the problems strategically. Businesses are continually facing challenges to improve the product offering, production, human resources, customer services, operations, and other facets of the business. To get a cutting edge over their competition, organizations have to apply many strategies, and analytics is one of the strategies that feeds on big data. A few companies that rely extensively on real-time big data applications are Facebook, Twitter, Apple, and Google.
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