[From CyberAtlas]
New license software revenue for relational database management systems (RDBMS) decreased 6.9 percent in 2002, totaling $6.6 billion in 2002 from revenues of $7.1 billion a year earlier, according to Gartner, who just completed a worldwide study.
IBM led the vendor pack with its DB2 database, which accounted for 36.2 percent of new license revenue for the RDBMS market in 2002 on the strength of its zSeries mainframe sales for DB2. Oracle followed with 33.8 percent of the market and Microsoft came in third with an 18 percent share. IBM’s new license revenues totaled $2.4 million, while Oracle and Microsoft reaped about $2.25 billion and $1.2 billion, respectively.
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http://cyberatlas.internet.com/big_picture/
applications/article/0,,1301_2211221,00.html