18.sql

机械工业出版社《SQL Server应用开发实例教程》源代码

select exp(4) as '4的指数',log(100)as '100的对数',
pi()as 圆周率,rand(3) as 随机函数
select sign(-19) as '-19的符号函数',sqrt(25) as '25的根号',
square(5) as  '5的平方',sin(2) as '2的正弦'