Oracle DBA he xin ji shu jie xi/ Java he xin ji shu xi lie Java he xin ji shu xi lie. Gu dai chao xian ci fu jie xi/ Hua xian ji shu jing xi/ Java he xin ji shu = Java he xin ji shu/ Ren ju huan jing jian she jie xi/ Qi che xian jin ji shu yi cong Delphi bian cheng dian xing shi li jie xi/