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What is ScaleDB?
ScaleDB is a storage engine that plugs into MySQL, enabling it to deliver enterprise-class scalability that rivals far more expensive commercial databases. By leveraging clusters of low-cost commodity servers and eliminating manpower-intensive data partitioning (or sharding), ScaleDB delivers a far superior total cost of ownership (TCO). ScaleDB leverages two primary advances:

 

Plug-and-Cluster™ Storage Engine
As your database demands grow, you simply plug in new commodity servers or blades to handle the load. No need to partition your data, it’s all automated. The ScaleDB cluster seamlessly handles server failure, by dynamically distributing the load across remaining nodes.
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Revolutionary Multi-Table Indexing
Unlike b-tree indexes—which only index the data in tables—ScaleDB indexes the data in tables and the relationships between tables. ScaleDB’s patented multi-table indexing delivers single-table performance across multi-table joins. The index is typically 15% - 25% of the size of comparable b-tree indexes, providing superior performance with lower cost servers.
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