SELECT Dno, Dname, Dsex, Dage, Dpwd FROM Doctor WHERE Dno = #{no} AND Dpwd = #{pwd}; SELECT d.PDno, d.PDname, d.PDlife, SUM(i.PDnum) AS PDnum FROM Drug d, InventoryDrug i WHERE d.PDno = i.PDno GROUP BY d.PDno, d.PDname, d.PDlife; UPDATE Doctor SET Dpwd = #{arg0} WHERE Dno = #{arg1};