Ying pan yi nan jie da/ Ping fan de wei da/ Ai yin si tan wen da/ Tong xin xi tong yuan li jie da/ Ying yu yong fa wen ti jie da/ Oracle SQL yi nan jie xi = Gong cheng dong li xue jie da/ He dian yu huan jing wen da/ Jing jian guo xue ji ben wen da/