RDBMS Market Share In 2006

What Gartner and IDC say about the relational DBMS market

The analysts publish their DBMS data at midyear, so the latest figures available are for 2006.  We have omitted what Terada and Sybase, each with about 3 percent of the market, as well as all smaller vendors.

VENDOR Gartner IDC
SALES SHARE GROWTH RATE SALES SHARE GROWTH RATE
Oracle $7.2 B 47% 15% $7.3 B 44% 15%
IBM $3.2 B 21% 8% $3.4 B 21% 12%
Microsoft $2.7 B 17% 28% $3.0 B 19% 25%