Relying on the basis of grid services of Oracle 10 g RAC and analyzing the digital forestry status of Hunan Province, this paper makes a study of a highly-usable database clustering technique （DCT） by creating a provincial forestry system model and analyzing its working principle and technology. Through a performance testing, comparing the hardware system under the same conditions, this database cluster system of Oracle 10 g RAC has doubly increased its cost performance, improved its reliability of more than 70 percent, and reduced its costs ...
