Gartener发布的2006年全球数据库市场份额

Worldwide Vendor Revenue Estimates from RDBMS Software, Based on Total Software Revenue, 2006 (Millions of Dollars)

Company

2006

2006 Market Share (%)

2005

2005 Market Share (%)

2005-2006 Growth (%)

Oracle

7,168.0

47.1

6,238.2

46.8

14.9

IBM

3,204.1

21.1

2,945.7

22.1

8.8

Microsoft

2,654.4

17.4

2,073.2

15.6

28.0

Teradata

494.2

3.2

467.6

3.5

5.7

Sybase

486.7

3.2

449.9

3.4

8.2

Other Vendors

1,206.3

7.9

1,149.0

8.6

5.0

Total

15,213.7

100.0

13,323.5

100.0

14.2

原文参考：http://www.gartner.com/it/page.jsp?id=507466

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