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Tom Rizzo, Microsoft SQL Server product manager, says an increasing number of Microsoft customers are running large databases on SQL Server 200, including Verizon Communications, which has 5TB of capacity in a database for billing and customer information. The business with the largest database size for all operating environments, including UNIX, for the decision-support system (DSS) portion of the Winter Study was France Telecom, with 29.2TBS. France Telecom uses Oracle for its DBMS. In one comparison for database size, CompScore Nets earned top honors with 8.9TB for its database, which is based on Sybase's SybaseIQ database. Rizzo also notes that Microsoft expects the Yukon version of SQL Server, which is expected later in 2003, to be even more scalable. SQL Server users, including an interviewed member of the SQL Server Group of Charlotte, North Carolina, say that in the last few years, Microsoft has substantially changed its database storage and management architecture to increase scalability. The new online index option in Yukon, said the user interviewed, should permit database administrators to create, rebuild, or drop an index to prepare for database growth. Winter spokespeople say study respondents expect peak workloads for DSS (decision support systems) to increase three times over by 2006.
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