Chinese RDBMS market revenues reached $267.6 mln in 2005, an increase of 18.1% compared to 2004 RDBMS market sales. By the end of 2006, China DBMS market size will come to $325 mln, with a slightly raised growth rate of 21.5%. The top three vendors in domestic database market were Oracle (44%), IBM (DB2 30%) and Microsoft (SQL SERVER 18%). They totally took up 92% market share in China, CCW Research reports.