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Oracle Exadata Database Machine are Oracle Exadata Storage Servers, which combine smart storage software and industry-standard hardware to deliver the industry's highest database storage performance. To overcome the limitations of conventional storage, Oracle Exadata Storage Servers use a massively parallel architecture to dramatically increase data bandwidth between the database server and storage

Oracle Exadata is a database appliance with support for both OLTP and OLAP workloads. It was initially designed in collaboration between Oracle Corporation and Hewlett Packard where Oracle designed the database, operating system and storage software whereas HP designed the hardware for it. With Oracle's acquisition of Sun Microsystems