14.1 Big Data
The development of relational database technology has led to a multibilliondollar (USD) business for database software, supported by significant research results and technology transfer in the areas of logical and physical database design, declarative query languages, and cost-based query optimization. Since the introduction of the Internet, however, the amount of data that is collected by businesses, research laboratories, social media sites, and many other organizations has grown at an unprecedented rate and currently exceeds the capacity of most relational database products. Furthermore, the data being collected is not the well-structured type of data that is typically found in relational database tables. The data is often semistructured ...
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