MSSQL SERVER 2005 数学函数 1.求绝对值 ABS() select FWeight-50,ABS(FWeight-50),ABS(-5.38) from T_Person 2.求幂 POWER(X,Y) 用来计算X的Y次幂 select FWeight,POWER(FWeight,-0.5),POWER(FWeight,2), POWER(FWeight,3),POWER(FWeight,4) from T_Person select Power(2,2) 3.求平方根 SQR
