SQL at Scale: Mixed-Mode RDBMSs That Rival NoSQL Scalability
This IDC study examines the emerging class of relational database management systems (RDBMSs) that it calls dynamic SQL. This technology delivers full relational database support while also supporting elastic scalability, dynamic schema management and, in some cases, physically distributed database systems operating a single logical database. Like some of the more established competitors, it also supports analytic-transaction processing (ATP), allowing an application to blend transactional and analytical SQL in the same database request."It is often stated as an article of faith that relational databases are inherently limited in terms of their ability to scale, but there is nothing about the concept of a relational database that supports that," says Carl Olofson, research vice president for Data Management Software research at IDC. "A new class of RDBMS technologies has emerged in recent years that is designed to address these issues. The approaches taken make them distinctly different from their disk-optimized predecessors and enable them to scale at least as well as NoSQL competitors."
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