select floor(@f*0.22) -- 直接可显示结果 create table demo( id ,), id1 int ) select * from demo insert into demo(id1) union all union all union all union all --select top (FLOOR(@f*0.23)) * from dbo.demo /* 消息 1060,级别 15,状态 1,第 17 行 TOP 子句中的行数必须是整数. */ selec…
1.Halcon的自我描述 Program Logic Ø Each program consists of a sequence of HALCON operators Ø The program can be structured into procedures Ø The sequence can be extended by using control operators like if, for, repeat, or while Ø The results of the oper…